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Benzophenone-4

Also-called-like-this: Sulisobenzone
What-it-does: sunscreen

Details

A water-soluble, chemical sunscreen agent that is a secondary UVB absorber with some activity in the short UVA range as well. Being a secondary UV absorber means that its protection is weak and it has to be combined with other sunscreen filters for proper sun protection. 

More often than not, Benzophenone-4 is not used as a sunscreen agent but as a photoprotectant to extend product shelf life, or as a color-protectant for products in clear packages. 

A Contact Dermatitis article from 2007 names BP-4 as an emerging allergen, as it was the most frequently positive chemical UV filter and third most frequently positive ingredient overall among the 35 substances patch tested in the study (13 positives of 1693 people tested).

Show me some proof

  • Hughes, T. Merion, and Natalie M. Stone. "Benzophenone 4: an emerging allergen in cosmetics and toiletries?." Contact dermatitis 56.3 (2007): 153-156.

Products with Benzophenone-4

Bath & Body Works White Tea And Ginger Shower Gel Kosmobelle Kosmo C Serum Proteção UVA- UVB Barbour’s Beauty Serum Facial Ácido Hialurônico Com Colágeno Clean & Clear Essentials Deep Cleaning Astringent Hela Beauty Sun Drops FPS30 VLCC Radiance Pro Sunscreen Gel Darling Glowy Face Cream Spf 50+ Dauf Sabonete Esfoliante Facial Hydra Life Pro-Youth Protective Creme SPF15 Nioxin Scalp & Hair Treatment 2 For Natural Hair Progressed Thinning OVALE Facial Lotion Aloe Vera Whitening With Yam Bean Extract Simple Kind To Skin Dual Effect Eye Makeup Remover Alberto Balsam Sunkissed Raspberry Shampoo Fundamentals Skincare Sunscreen SPF 30 Interfarmac s.r.l. Evìta Sun Spf 50+ Isle of Paradise Self Tanning Butter LDA Gligel Softener Gel Makari Naturalle Carotonic Extreme - Body Glycerin Makari Naturalle Carotonic Extreme Body Glycerin Peter Thomas Roth Cucumber De-Tox Foaming Cleanser Somethinc Holyshield! Sunscreen Shake Mist SPF46 Pa+++ TRESemmé Keratin Smooth Heat Protect Spray needs Sabonete Gel Limpeza Diária - Pele Normal A Seca Brilliant skin Advance Hydrating Toner Fix derma Shadow A-Gel Sunscreen Fix derma Shadow Spf 30+Gel Fixderma Shadow Sunscreen Spf 80+ Kaley Skincare Watermelon Sunblock Kenra Daily Defense Oil Lancaster Comforting Perfecting Toner Mario Badescu Glycolic Gel Philosophy Time In A Bottle For Eyes Pond's Acne Clear Pore Conditioning Toner Queen Helene Grape Seed Peel-Off Masque Be you (B.U.) Hidden Paradise Shower Gel CosDerm Solor Pro Cream Daneen UV Daily Pro Equate Kids 3-In-1 Shampoo, Conditioner, & Body Wash, Unscented FLOWER Beauty In Your Prime Hydrating Primer Fixderma Shadow SPF 50+ Cream LDA Loxidil Lusti Argan Oil Curl Wave Twist Shaping Gel Merino 97% Pure Aloe Vera Gel Salon Line Ativador De Cachos Schwarzkopf Professional BC Bonacure Color Freeze pH 4.5 Conditioner Amika Bombshell Blowout Spray Baxter Citrus And Herbal Musk Invigorating Body Wash Bk Acne Serum Brightening Anti-Pollution Boots Tea Tree Witch Hazel Back Spray Cien Mega Volume Shampoo