# Are blacklight posters dangerous? **URL:** \ **Category:** Factual Questions\ **Created:** [July 24, 2013, 5:58am UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362 "2013-07-24T05:58:23Z")\ **Posts on this page:** 14\ **Page:** 2
**Author:** ![purplehorseshoe](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/purplehorseshoe/32/2996_2.png) [@purplehorseshoe](https://boards.straightdope.com/u/purplehorseshoe)\ **Post date:** [July 24, 2013, 3:51pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/21 "2013-07-24T15:51:01Z")
Hilarious double-post, **Dr. F**. šŸ˜ƒ ---
**Author:** ![kayaker](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/kayaker/32/441_2.png) [@kayaker](https://boards.straightdope.com/u/kayaker)\ **Post date:** [July 24, 2013, 4:06pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/22 "2013-07-24T16:06:42Z")
> [@purplehorseshoe](#): > > Hilarious double-post, **Dr. F**. šŸ˜ƒ And hits close to home.šŸ†’ ---
**Author:** ![AaronX](https://avatars.discourse-cdn.com/v4/letter/a/7bcc69/32.png) [@AaronX](https://boards.straightdope.com/u/AaronX)\ **Post date:** [July 24, 2013, 4:09pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/23 "2013-07-24T16:09:32Z")
I say, this is discrimination against black heavy posters! ---
**Author:** ![Duckster](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/duckster/32/1244_2.png) [@Duckster](https://boards.straightdope.com/u/Duckster)\ **Post date:** [July 24, 2013, 4:37pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/24 "2013-07-24T16:37:34Z")
You may not want to shine a blacklight upon yourself as many clothes also phosphoresce. The only remedy is to go naked. ---
**Author:** ![DrFidelius](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/drfidelius/32/3447_2.png) [@DrFidelius](https://boards.straightdope.com/u/DrFidelius)\ **Post date:** [July 24, 2013, 4:38pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/25 "2013-07-24T16:38:33Z")
> [@AaronX](#): > > I say, this is discrimination against black heavy posters! Just weight. ---
**Author:** ![IvoryTowerDenizen](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/ivorytowerdenizen/32/17937_2.png) [@IvoryTowerDenizen](https://boards.straightdope.com/u/IvoryTowerDenizen)\ **Post date:** [July 24, 2013, 4:42pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/26 "2013-07-24T16:42:02Z")
> [@john44](#): > > The msds for it says it is caustic. Hereā€™s the MSDS for NaCl: [http://www.sciencelab.com/msds.php?msdsId=9927593](http://www.sciencelab.com/msds.php?msdsId=9927593) If you didnā€™t know better youā€™d think it was a mutagenic, skin irritant. On the other hand, here is the MSDS for something truly caustic, NaOH. You can see how more extreme the language is. [http://www.sciencelab.com/msds.php?msdsId=9924997](http://www.sciencelab.com/msds.php?msdsId=9924997) ---
**Author:** ![AaronX](https://avatars.discourse-cdn.com/v4/letter/a/7bcc69/32.png) [@AaronX](https://boards.straightdope.com/u/AaronX)\ **Post date:** [July 24, 2013, 4:50pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/27 "2013-07-24T16:50:57Z")
> [@DrFidelius](#): > > Just weight. Donā€™t make light of this matter. ---
**Author:** ![Hypno-Toad](https://avatars.discourse-cdn.com/v4/letter/h/b2d939/32.png) [@Hypno-Toad](https://boards.straightdope.com/u/Hypno-Toad)\ **Post date:** [July 24, 2013, 4:55pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/28 "2013-07-24T16:55:37Z")
Not even UV light? ---
**Author:** ![DrCube](https://avatars.discourse-cdn.com/v4/letter/d/a3d4f5/32.png) [@DrCube](https://boards.straightdope.com/u/DrCube)\ **Post date:** [July 24, 2013, 8:58pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/29 "2013-07-24T20:58:49Z")
I have an artist friend who uses black light paints, and often uses it to paint peopleā€™s bodies to great effect. Presumably he knows what heā€™s doing and isnā€™t damaging his or his subjectsā€™ health? ---
**Author:** ![11811](https://avatars.discourse-cdn.com/v4/letter/1/9d8465/32.png) [@11811](https://boards.straightdope.com/u/11811)\ **Post date:** [August 6, 2013, 5:35pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/30 "2013-08-06T17:35:07Z")
> [@kayaker](#): > > Not certain if it is cause/effect, but everyone I know that had black-light posters has gotten very old. So youā€™re saying itā€™s a life extender? ---
**Author:** ![11811](https://avatars.discourse-cdn.com/v4/letter/1/9d8465/32.png) [@11811](https://boards.straightdope.com/u/11811)\ **Post date:** [August 6, 2013, 5:36pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/31 "2013-08-06T17:36:31Z")
> [@Koxinga](#): > > On the other hand, if these black light posters inspire you have any wild house parties with a lot of people crowded into a small space, be aware that you could catch rabies. > > Especially if any of them seem particularly itchy. Are we still confusing rabies and scabies? ---
**Author:** ![Machine\_Elf](https://avatars.discourse-cdn.com/v4/letter/m/82dd89/32.png) [@Machine\_Elf](https://boards.straightdope.com/u/Machine_Elf)\ **Post date:** [August 6, 2013, 6:53pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/32 "2013-08-06T18:53:55Z")
> [@11811](#): > > So youā€™re saying itā€™s a life extender? Either that, or it causes progeria. ---
**Author:** ![pravnik](https://avatars.discourse-cdn.com/v4/letter/p/8edcca/32.png) [@pravnik](https://boards.straightdope.com/u/pravnik)\ **Post date:** [August 6, 2013, 6:59pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/33 "2013-08-06T18:59:23Z")
Studies have shown that extended visual contact with blacklight posters can cause the viewer to spill the bong on their beanbag chair, possibly staining the shag carpet in the process. ---
**Author:** ![kenobi\_65](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/kenobi_65/32/13178_2.png) [@kenobi\_65](https://boards.straightdope.com/u/kenobi_65)\ **Post date:** [August 6, 2013, 8:17pm UTC](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362/34 "2013-08-06T20:17:15Z")
> [@Fear\_Itself](#): > > Where does one buy black light posters these days? I was about to say, ā€œis Spencer Gifts still around?ā€, then I decided to Google my own question. Yes, Spencer Gifts is still around (now just named [Spencerā€™s](http://www.spencersonline.com/))ā€¦and they do, indeed, continue to carry [black light posters](http://www.spencersonline.com/lifestyle_room-decor_wall-decor_posters_black-light-posters). šŸ˜ƒ [Previous page](https://boards.straightdope.com/t/are-blacklight-posters-dangerous/664362.md?page=1)