413 U.S. 15 (1973) Mr. Chief Justice BURGER delivered the opinion of the Court. This is one of a group of ‘obscenity-p**nography' cases being reviewed by the Court in a re-examination of standards enunciated in earlier cases involving what Mr. Justice Harlan called ‘the intractable obscenity problem.' Interstate Circuit, Inc. v. Dallas, 390 U.S. 676, 704, 88 S.Ct. 1298, 1313, 20 L.Ed.2d 225 (1968) (concurring and dissenting). Appellant conducted a ma** mailing campaign to advertise the sale of illustrated books, euphemistically called ‘adult' material. After a jury trial, he was convicted of violating California Penal Code s 311.2(a), a misdemeanor, by knowingly distributing obscene matter,FN1 and the Appellate Department, Superior Court of California, County of Orange, summarily affirmed the judgment without opinion. Appellant's conviction was specifically based on his conduct in causing five unsolicited advertising brochures to be sent through the mail in an envelope addressed to a restaurant in Newport Beach, California. The envelope was opened by the manager of the restaurant and his mother. They had not requested the brochures; they complained to the police. The brochures advertise four books entitled ‘Intercourse,' ‘Man-Woman,' ‘Sex Orgies Illustrated,' and ‘An Illustrated History of p**nography,' and a film entitled ‘Marital Intercourse.' While the brochures contain some descriptive printed material, primarily they consist of pictures and drawings very explicitly depicting men and women in groups of two or more engaging in a variety of s**ual activities, with genitals often prominently displayed. I This case involves the application of a State's criminal obscenity statute to a situation in which s**ually explicit materials have been thrust by aggressive sales action upon unwilling recipients who had in no way indicated any desire to receive such materials. This Court has recognized that the States have a legitimate interest in prohibiting dissemination or exhibition of obscene materialFN2 when the mode of dissemination carries with it a significant danger of offending the sensibilities of unwilling recipients or of exposure to juveniles. Stanley v. Georgia, 394 U.S. 557, 567, 89 S.Ct. 1243, 1249, 22 L.Ed.2d 542 (1969); Ginsberg v. New York, 390 U.S. 629, 637—643, 88 S.Ct. 1274, 1279—1282, 20 L.Ed.2d 195 (1968); Interstate Circuit, Inc. v. Dallas, supra, 390 U.S., at 690, 88 S.Ct., at 1306; Redrup v. New York, 386 U.S. 767, 769, 87 S.Ct., 1414, 1415, 18 L.Ed.2d 515 (1967); Jacobellis v. Ohio, 378 U.S. 184, 195, 84 S.Ct. 1676, 1682, 12 L.Ed.2d 793 (1964). See Rabe v. Washington, 405 U.S. 313, 317, 92 S.Ct. 993, 995, 31 L.Ed.2d 258 (1972) (Burger, C.J., concurring); United States v. Reidel, 402 U.S. 351, 360—362, 91 S.Ct. 1410, 1414—1415, 28 L.Ed.2d 813 (1971) (opinion of Marshall, J.); Joseph Burstyn, Inc. v. Wilson, 343 U.S. 495, 502, 72 S.Ct. 777, 780, 96 L.Ed. 1098 (1952); Breard v. Alexandria, 341 U.S. 622, 644—645, 71 S.Ct. 920, 933—934, 95 L.Ed. 1233 (1951); Kovacs v. Cooper, 336 U.S. 77, 88—89, 69 S.Ct. 448, 454, 93 L.Ed. 513 (1949); Prince v. Ma**achusetts, 321 U.S. 158, 169—170, 64 S.Ct. 438, 443—444, 88 L.Ed. 645 (1944). Cf. Butler v. Michigan, 352 U.S. 380, 382—383, 77 S.Ct. 524, 525, 1 L.Ed.2d 412 (1957); Public Utilities Comm'n v. Pollak, 343 U.S. 451, 464—465, 72 S.Ct. 813, 821—822, 96 L.Ed. 1068 (1952). It is in this context that we are called on to define the standards which must be used to identify obscene material that a State may regulate without infringing on the First Amendment as applicable to the States through the Fourteenth Amendment. The dissent of Mr. Justice BRENNAN reviews the background of the obscenity problem, but since the Court now undertakes to formulate standards more concrete than those in the past, it is useful for us to focus on two of the landmark cases in the somewhat tortured history of the Court's obscenity decisions. In Roth v. United States, 354 U.S. 476, 77 S.Ct. 1304, 1 L.Ed.2d 1498 (1957), the Court sustained a conviction under a federal statute punishing the mailing of ‘obscene, lewd, lascivious or filthy . . .' materials. The key to that holding was the Court's rejection of the claim that obscene materials were protected by the First Amendment. Five Justices joined in the opinion stating: ‘All ideas having even the slightest redeeming social importance—unorthodox ideas, controversial ideas, even ideas hateful to the prevailing climate of opinion—have the full protection of the (First Amendment) guaranties, unless excludable because they encroach upon the limited area of more important interests. But implicit in the history of the First Amendment is the rejection of obscenity as utterly without redeeming social importance. . . . This is the same judgment expressed by this Court in Chaplinsky v. New Hampshire, 315 U.S. 568, 571—572, 62 S.Ct. 766, 768—769, 86 L.Ed. 1031: “. . . There are certain well-defined and narrowly limited cla**es of speech, the prevention and punishment of which have never been thought to raise any Constitutional problem. These include the lewd and obscene . . .. It has been well observed that such utterances are no essential part of any exposition of ideas, and are of such slight social value as a step to truth that any benefit that may be derived from them is clearly outweighed by the social interest in order and morality. . . .' (Emphasis by Court in Roth opinion.) ‘We hold that obscenity is not within the area of constitutionally protected speech or press.' 354 U.S., at 484—485, 77 S.Ct., 1309 (footnotes omitted). Nine years later, in Memoirs v. Ma**achusetts, 383 U.S. 413, 86 S.Ct. 975, 16 L.Ed.2d 1 (1966), the Court veered sharply away from the Roth concept and, with only three Justices in the plurality opinion, articulated a new test of obscenity. The plurality held that under the Roth definition ‘as elaborated in subsequent cases, three elements must coalesce: it must be established that (a) the dominant theme of the material taken as a whole appeals to a prurient interest in s**; (b) the material is patently offensive because if affronts contemporary community standards relating to the description or representation of s**ual matters; and (c) the material is utterly without redeeming social value.' Id., at 418, 86 S.Ct., at 977. The sharpness of the break with Roth, represented by the third element of the Memoirs test and emphasized by Mr. Justice White's dissent, id., at 460—462, 86 S.Ct., at 999, was further underscored when the Memoirs plurality went on to state: ‘The Supreme Judicial Court erred in holding that a book need not be ‘unqualifiedly worthless before it can be deemed obscene.' A book cannot be proscribed unless it is found to be utterly without redeeming social value.' Id., at 419, 86 S.Ct., at 978 (emphasis in original). While Roth presumed ‘obscenity' to be ‘utterly without redeeming social importance,' Memoirs required that to prove obscenity it must be affirmatively established that the material is ‘utterly without redeeming social value.' Thus, even as they repeated the words of Roth, the Memoirs plurality produced a drastically altered test that called on the prosecution to prove a negative, i.e., that the material was ‘utterly without redeeming social value'—a burden virtually impossible to discharge under our criminal standards of proof. Such considerations caused Mr. Justice Harlan to wonder if the ‘utterly without redeeming social value' test had any meaning at all. See Memoirs v. Ma**achusetts, id., at 459, 86 S.Ct., at 998 (Harlan, J., dissenting). See also id., at 461, 86 S.Ct., at 999 (White, J., dissenting); United States v. Groner, 479 F.2d 577, 579—581 (CA,5 1973). Apart from the initial formulation in the Roth case, no majority of the Court has at any given time been able to agree on a standard to determine what constitutes obscene, p**nographic material subject to regulation under the States' police power. See, e.g., Redrup v. New York, 386 U.S., at 770—771, 87 S.Ct., at 1415—1416. We have seen ‘a variety of views among the members of the Court unmatched in any other course of constitutional adjudication.' Interstate Circuit, Inc. v. Dallas, 390 U.S., at 704—705, 88 S.Ct., at 1314 (Harlan, J., concurring and dissenting) (footnote omitted).FN3 This is not remarkable, for in the area of freedom of speech and press the courts must always remain sensitive to any infringement on genuinely serious literary, artistic, political, or scientific expression. This is an area in which there are few eternal verities. The case we now review was tried on the theory that the California Penal Code s 311 approximately incorporates the three-stage Memoirs test, supra. But now the Memoirs test has been abandoned as unworkable by its author,FN4 and no Member of the Court today supports the Memoirs formulation. II This much has been categorically settled by the Court, that obscene material is unprotected by the First Amendment. Kois v. Wisconsin, 408 U.S. 229, 92 S.Ct. 2245, 33 L.Ed.2d 312 (1972); United States v. Reidel, 402 U.S., at 354, 91 S.Ct., at 1411—1412; Roth v. United States, supra, 354 U.S., at 485, 77 S.Ct., at 1309.FN5 ‘The First and Fourteenth Amendments have never been treated as absolutes (footnote omitted).' Breard v. Alexandria, 341 U.S., at 642, 71 S.Ct., at 932, and cases cited. See Times Film Corp. v. Chicago, 365 U.S. 43, 47—50, 81 S.Ct. 391, 393—395, 5 L.Ed.2d 403 (1961); Joseph Burstyn, Inc. v. Wilson, 343 U.S., at 502, 72 S.Ct., at 780. We acknowledge, however, the inherent dangers of undertaking to regulate any form of expression. State statutes designed to regulate obscene materials must be carefully limited. See Interstate Circuit, Inc. v. Dallas, supra, 390 U.S., at 682—685, 88 S.Ct., at 1302—1305. As a result, we now confine the permissible scope of such regulation to works which depict or describe s**ual conduct. That conduct must be specifically defined by the applicable state law, as written or authoritatively construed.FN6 A state offense must also be limited to works which, taken as a whole, appeal to the prurient interest in s**, which portray s**ual conduct in a patently offensive way, and which, taken as a whole, do not have serious literary, artistic, political, or scientific value. The basic guidelines for the trier of fact must be: (a) whether ‘the average person, applying contemporary community standards' would find that the work, taken as a whole, appeals to the prurient interest, Kois v. Wisconsin, supra, 408 U.S., at 230, 92 S.Ct., at 2246, quoting Roth v. United States, supra, 354 U.S., at 489, 77 S.Ct., at 1311; (b) whether the work depicts or describes, in a patently offensive way, s**ual conduct specifically defined by the applicable state law; and (c) whether the work, taken as a whole, lacks serious literary, artistic, political, or scientific value. We do not adopt as a constituional standard the ‘utterly without redeeming social value' test of Memoirs v. Ma**achusetts, 383 U.S., at 419, 86 S.Ct., at 977; that concept has never commanded the adherence of more than three Justices at one time.FN7 See supra, at 2613. If a state law that regulates obscene material is thus limited, as written or construed, the First Amendment values applicable to the States through the Fourteenth Amendment are adequately protected by the ultimate power of appellant courts to conduct an independent review of constitutional claims when necessary. See Kois v. Wisconsin, supra, 408 U.S., at 232, 92 S.Ct., at 2247; Memoirs v. Ma**achuetts, supra, 383 U.S., at 459—460, 86 S.Ct., at 998 (Harlan, J., dissenting); Jacobellis v. Ohio, 378 U.S., at 204, 84 S.Ct., at 1686 (Harlan, J., dissenting); New York Times Co. v. Sullivan, 376 U.S. 254, 284—285, 84 S.Ct. 710, 728, 11 L.Ed.2d 686 (1964); Roth v. United States, supra, 354 U.S., at 497—498, 77 S.Ct., at 1315—1316 (Harlan, J., concurring and dissenting). We emphasize that it is not our function to propose regulatory schemes for the States. That must await their concrete legislative efforts. It is possible, however, to give a few plain examples of what a state statute could define for regulation under part (b) of the standard announced in this opinion, supra: (a) Patently offensive representations or descriptions of ultimate s**ual acts, normal or perverted, actual or simulated. (b) Patently offensive representation or descriptions of masturbation, excretory functions, and lewd exhibition of the genitals. Sex and nudity may not be exploited without limit by films or pictures exhibited or sold in places of public accommodation any more than live s** and nudity can be exhibited or sold without limit in such public places.FN8 At a minimum, prurient, patently offensive depiction or description of s**ual conduct must have serious literary, artistic, political, or scientific value to merit First Amendment protection. See Kois v. Wisconsin, supra, 408 U.S., at 230—232, 92 S.Ct., at 2246—2247; Roth v. United States, supra, 354 U.S., at 487, 77 S.Ct., at 1310; Thornhill v. Alabama, 310 U.S. 88, 101—102, 60 S.Ct. 736, 743—744, 84 L.Ed. 1093 (1940). For example, medical books for the education of physicians and related personnel necessarily use graphic illustrations and descriptions of human anatomy. In resolving the inevitably sensitive questions of fact and law, we must continue to rely on the jury system, accompanied by the safeguards that judges, rules of evidence, presumption of innocence, and other protective features provide, as we do with rape, murder, and a host of other offenses against society and its individual members.FN9 Mr. Justice BRENNAN, author of the opinions of the Court, or the plurality opinions, in Roth v. United States, supra; Jacobellis v. Ohio, supra; Ginzburg v. United States, 383 U.S. 463, 86 S.Ct. 952, 16 L.Ed.2d 31 (1966); Mishkin v. New York, 383 U.S. 502, 86 S.Ct. 958, 16 L.Ed.2d 56 (1966); and Memoiors v. Ma**achusetts, supra, has abandoned his former position and now maintains that no formulation of this Court, the Congress, or the States can adequately distinguish obscene material unprotected by the First Amendment from protected expression, Paris Adult Theatre I v. Slaton, 413 U.S. 49, 73, 93 S.Ct. 2628, 2642, 37 L.Ed.2d 446 (Brennan, J., dissenting). Paradoxically, Mr. Justice BRENNAN indicates that suppression of unprotected obscene material is permissible to avoid exposure to unconsenting adults, as in this case, and to juveniles, although he gives no indication of how the division between protected and nonprotected materials may be drawn with greater precision for these purposes than for regulation of commercial exposure to consenting adults only. Nor does he indicate where in the Constitution he fines the authority to distinguish between a willing ‘adult' one month past the state law age of majority and a willing ‘juvenile' one month younger. Under the holdings announced today, no one will be subject to prosecution for the sale or exposure of obscene materials unless these materials depict or describe patently offensive ‘hard core' s**ual conduct specifically defined by the regulating state law, as written or construed. We are satisfied that these specific prerequisites will provide fair notice to a dealer in such materials that his public and commercial activities may bring prosecution. See Roth v. United States, supra, 354 U.S., at 491—492, 77 S.Ct., at 1312—1313. Cf. Ginsberg v. New York, 390 U.S., at 643, 88 S.Ct., at 1282.FN10 If the inability to define regulated materials with ultimate, god-like precision altogether removes the power of the States or the Congress to regulate, then ‘hard core' p**nography may be exposed without limit to the juvenile, the pa**erby, and the consenting adult alike, as, indeed, Mr. Justice Douglas contends. As to Mr. Justice Douglas' position, see United States v. Thirty-seven Photographs, 402 U.S. 363, 379—380, 91 S.Ct. 1400, 1409—1410, 28 L.Ed.2d 822 (1971) (Black, J., joined by Douglas, J., dissenting); Ginzburg v. United States, supra, 383 U.S. at 476, 491—492, 86 S.Ct., at 950, 974 (Black, J., and Douglas, J., dissenting); Jacobellis v. Ohio, supra, 378 U.S., at 196, 84 S.Ct., at 1682 (Black, J., joined by Douglas, J., concurring); Roth, supra, 354 U.S., at 508—514, 77 S.Ct., at 1321—1324 (Douglas, J., dissenting). In this belief, however, Mr. Justice DOUGLAS now stands alone. Mr. Justice Brennan also emphasizes ‘institutional stress' in justification of his change of view. Nothing that '(t)he number of obscenity cases on our docket gives ample testimony to the burden that has been placed upon this Court,' he quite rightly remarks that the examination of contested materials ‘is hardly a source of edification to the members of this Court.' Paris Adult Theatre I v. Slaton, supra, 413 U.S., at 92, 93, 93 S.Ct., at 2652. He also notes, and we agree, that ‘uncertainty of the standards creates a continuing source of tension between state and federal courts . . ..' ‘The problem is . . . that one cannot say with certainty that material is obscene until at least five members of this Court, applying inevitably obscure standards, have pronounced it so.' Id., at 93, 92, 93 S.Ct., at 2652. It is certainly true that the absence, since Roth, of a single majority view of this Court as to proper standards for testing obscenity has placed a strain on both state and federal courts. But today, for the first time since Roth was decided in 1957, a majority of this Court has agreed on concrete guidelines to isolate ‘hard core' p**nography from expression protected by the First Amendment. Now we may abandon the casual practice of Redrup v. New York, 386 U.S. 767, 87 S.Ct. 1414, 18 L.Ed.2d 515 (1967), and attempt to provide positive guidance to federal and state courts alike. This may not be an easy road, free from difficulty. But no amount of ‘fatigue' should lead us to adopt a convenient ‘institutional' rationale—an absolutist, ‘anything goes' view of the First Amendment—because it will lighten our burdens.FN11 ‘Such an abnegation of judicial supervision in this field would be inconsistent with our duty to uphold the constitutional guarantees.' Jacobellis v. Ohio, supra, 378 U.S., at 187—188, 84 S.Ct., at 1678 (opinion of Brennan, J.). Nor should we remedy ‘tension between state and federal courts' by arbitrarily depriving the States of a power reserved to them under the Constitution, a power which they have enjoyed and exercised continuously from before the adoption of the First Amendment to this day. See Roth v. United States, supra, 354 U.S., at 482—485, 77 S.Ct., at 1307—1309. ‘Our duty admits of no ‘substitute for facing up to the tough individual problems of constitutional judgment involved in every obscenity case.' ( Roth v. United States, supra, at 498, 77 S.Ct., at 1316); see Manual Enterprises, Inc. v. Day, 370 U.S. 478, 488, 82 S.Ct., 1432, 1437, 8 L.Ed.2d 639 (opinion of Harlan, J.) (footnote omitted).' Jacobellis v. Ohio, supra, 378 U.S., at 188, 84 S.Ct., at 1678 (opinion of Brennan, J.). III Under a National Constitution, fundamental First Amendment limitations on the powers of the States do not vary from community to community, but this does not mean that there are, or should or can be, fixed, uniform national standards of precisely what appeals to the ‘prurient interest' or is ‘patently offensive.' These are essentially questions of fact, and our Nation is simply too big and too diverse for this Court to reasonably expect that such standards could be articulated for all 50 States in a single formulation, even a**uming the prerequisite consensus exists. When triers of fact are asked to decide whether ‘the average person, applying contemporary community standards' would consider certain materials ‘prurient,' it would be unrealistic to require that the answer be based on some abstract formulation. The adversary system, with lay jurors as the usual ultimate factfinders in criminal prosecutions, has historically permitted triers of fact to draw on the standards of their community, guided always by limiting instructions on the law. To require a State to structure obscenity proceedings around evidence of a national ‘community standard' would be an exercise in futility. As noted before, this case was tried on the theory that the California obscenity statute sought to incorporate the tripartite test of Memoirs. This, a ‘national' standard of First Amendment protection enumerated by a plurality of this Court, was correctly regarded at the time of trial as limiting state prosecution under the controlling case law. The jury, however, was explicitly instructed that, in determining whether the ‘dominant theme of the material as a whole . . . appeals to the prurient interest' and in determining whether the material ‘goes substantially beyond customary limits of candor and affronts contemporary community standards of decency,' it was to apply ‘contemporary community standards of the State of California.' During the trial, both the prosecution and the defense a**umed that the relevant ‘community standards' in making the factual determination of obscenity were those of the State of California, not some hypothetical standard of the entire United States of America. Defense counsel at trial never objected to the testimony of the State's expert on community standards FN12 or to the instructions of the trial judge on ‘statewide' standards. On appeal to the Appellate Department, Superior Court of California, County of Orange, appellant for the first time contended that application of state, rather than national, standards violated the First and Fourteenth Amendments. We conclude that neither the State's alleged failure to offer evidence of ‘national standards,' nor the trial court's charge that the jury consider state community standards, were constitutional errors. Nothing in the First Amendment requires that a jury must consider hypothetical and unascertainable ‘national standards' when attempting to determine whether certain materials are obscene as a matter of fact. Mr. Chief Justice Warren pointedly commented in his dissent in Jacobellis v. Ohio, supra, at 200, 84 S.Ct., at 1685: ‘It is my belief that when the Court said in Roth that obscenity is to be defined by reference to ‘community standards,' it meant community standards—not a national standard, as is sometimes argued. I believe that there is no provable ‘national standard' . . .. At all events, this Court has not been able to enunciate one, and it would be unreasonable to expect local courts to divine one.' It is neither realistic nor constitutionally sound to read the First Amendment as requiring that the people of Maine or Mississippi accept public depiction of conduct found tolerable in Las Vegas, or New York City.FN13 See Hoyt v. Minnesota, 399 U.S. 524—525, 90 S.Ct. 2241 (1970) (Blackmun, J., dissenting); Walker v. Ohio, 398 U.S. 434, 90 S.Ct. 1884, 26 L.Ed.2d 385 (1970) (Burger, C.J., dissenting); id., at 434—435, 90 S.Ct., at 1884 (Harlan, J., dissenting); Cain v. Kentucky, 397 U.S. 319, 90 S.Ct. 1110, 25 L.Ed.2d 334 (1970) (Burger, C.J., dissenting); id., at 319—320, 90 S.Ct., at 1110 (Harlan, J., dissenting); United States v. Groner, 479 F.2d 577, at 581—583. O'Meara & Shaffer, Obscenity in The Supreme Court: A Note on Jacobellis v. Ohio, 40 Notre Dame Law. 1, 6—7 (1964). See also Memoirs v. Ma**achusetts, 383 U.S., at 458, 86 S.Ct., at 997 (Harlan, J., dissenting); Jacobellis v. Ohio, supra, 378 U.S., at 203—204, 84 S.Ct., at 1686 (Harlan, J., dissenting); Roth v. United States, supra, 354 U.S., at 505—506, 77 S.Ct., at 1319—1320 (Harlan, J., concurring and dissenting). People in different States vary in their tastes and attitudes, and this diversity is not to be strangled by the absolutism of imposed uniformity. As the Court made clear in Mishkin v. New York, 383 U.S., at 508—509, 86 S.Ct., at 963, the primary concern with requiring a jury to apply the standard of ‘the average person, applying contemporary community standards' is to be certain that, so far as material is not aimed at a deviant group, it will be judged by its impact on an average person, rather than a particularly susceptible or sensitive person—or indeed a totally insensitive one. See Roth v. United States, supra, 354 U.S., at 489, 77 S.Ct., at 1311. Cf. the now discredited test in Regina v. Hicklin, (1868) L.R. 3 Q.B. 360. We hold that the requirement that the jury evaluate the materials with reference to ‘contemporary standards of the State of California' serves this protective purpose and is constitutionally adequate.FN14 IV The dissenting Justices sound the alarm of repression. But, in our view, to equate the free and robust exchange of ideas and political debate with commercial exploitation of obscene material demeans the grand conception of the First Amendment and its high purposes in the historic struggle for freedom. It is a ‘misuse of the great guarantees of free speech and free press . . ..' Breard v. Alexandria, 341 U.S., at 645, 71 S.Ct., at 934. The First Amendment protects works which, taken as a whole, have serious literary, artistic, political, or scientific value, regardless of whether the government or a majority of the people approve of the ideas these works represent. ‘The protection given speech and press was fashioned to a**ure unfettered interchange of ideas for the bringing about of political and social changes desired by the people,' Roth v. United States, supra, 354 U.S., at 484, 77 S.Ct., at 1308 (emphasis added). See Kois v. Wisconsin, 408 U.S., at 230—232, 92 S.Ct., at 2246—2247; Thornhill v. Alabama, 310 U.S., at 101—102, 60 S.Ct., at 743—744. But the public portrayal of hard-core s**ual conduct for its own sake, and for the ensuing commercial gain, is a different matter.FN15 There is no evidence, empirical or historical, that the stern 19th century American censorship of public distribution and display of material relating to s**, see Roth v. United States, supra, 354 U.S., at 482—485, 77 S.Ct., at 1307—1309, in any way limited or affected expression of serious literary, artistic, political, or scientific ideas. On the contrary, it is beyond any question that the era following Thomas Jefferson to Theodore Roosevelt was an ‘extraordinarily vigorous period,' not just in economics and politics, but in belles lettres and in ‘the outlying fields of social and political philosophies.'FN16 We do not see the harsh hand of censorship of ideas—good or bad, sound or unsound—and ‘repression' of political liberty lurking in every state regulation of commercial exploitation of human interest in s**. Mr. Justice Brennan finds ‘it is hard to see how state-ordered regimentation of our minds can ever be forestalled.' Paris Adult Theatre I v. Slaton, 413 U.S., at 110, 93 S.Ct., at 2661 (Brennan, J., dissenting). These doleful anticipations a**ume that courts cannot distinguish commerce in ideas, protected by the First Amendment, from commercial exploitation of obscene material. Moreover, state regulation of hard-core p**nography so as to make it unavailable to nonadults, a regulation which Mr. Justice Brennan finds constitutionally permissible, has all the elements of ‘censorship' for adults; indeed even more rigid enforcement techniques may be called for with such dichotomy of regulation. See Interstate Circuit, Inc. v. Dallas, 390 U.S., at 690, 88 S.Ct., at 1306.FN17 One can concede that the ‘s**ual revolution' of recent years may have had useful byproducts in striking layers of prudery from a subject long irrationally kept from needed ventilation. But it does not follow that no regulation of patently offensive ‘hard core' materials is needed or permissible; civilized people do not allow unregulated access to h**n because it is a derivative of medicinal morphine. In sum, we (a) reaffirm the Roth holding that obscene material is not protected by the First Amendment; (b) hold that such material can be regulated by the States, subject to the specific safeguards enunciated above, without a showing that the material is ‘utterly without redeeming social value'; and (c) hold that obscenity is to be determined by applying ‘contemporary community standards,' see Kois v. Wisconsin, supra, 408 U.S., at 230, 92 S.Ct., at 2246, and Roth v. United States, supra, 354 U.S., at 489, 77 S.Ct., at 1311, not ‘national standards.' The judgment of the Appellate Department of the Superior Court, Orange County, California, is vacated and the case remanded to that court for further proceedings not inconsistent with the First Amendment standards established by this opinion. See United States v. 12 200-Foot Reels of Super 8mm. Film, 413 U.S. 123, at 130 n. 7, 93 S.Ct. 2665, at 2670 n. 7, 37 L.Ed.2d 500. Vacated and remanded.