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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

Adeena Skin Anti-Aging Sunspray Protector Bath & Body Works White Tea And Ginger Shower Gel Kosmobelle Kosmo C Serum Proteção UVA- UVB Nioxin Scalp And Hair Treatment 6 Aryanveda Sunprotect SPF 50 Pa+++ Babaria Spray Hair Protector Aloe With Sunscreen Barbour’s Beauty Máscara Labial Xô Ressaca 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 Cinch Beauty Cleanse + Glow Darling Glowy Face Cream Spf 50+ Dauf Sabonete Esfoliante Facial Hira ali beauty Sun Of A Beach Sunscreen Broad Spectrum SPF 40+++ 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 Portia M Pomegranate Sensitive Toner Salon Line Hidra Original Hidratação Profunda Simple Kind To Skin Dual Effect Eye Makeup Remover SunHero Setting Sun Mist 4ever Skin Naturals Daily Moisturising And Brightening Sun Protection Cream Alberto Balsam Juicy Green Apple Conditioner Alberto Balsam Sunkissed Raspberry Shampoo Coppertone Water Babies Lotion Spray SPF 50 Dauf Sabonete Gel Limpeza Diária Fundamentals Skincare Sunscreen SPF 30 Interfarmac s.r.l. Evìta Sun Spf 50+ Isle of Paradise Self Tanning Butter LDA Gligel Softener Gel Lamelle Helase Urban Defence Makari Naturalle Carotonic Extreme - Body Glycerin Makari Naturalle Carotonic Extreme Body Glycerin Peter Thomas Roth Cucumber De-Tox Foaming Cleanser Pond's Ponds White Beauty Toner Schwarzkopf Schauma Color Shine Conditioner Sereese Beauty Sun Milk Somethinc Holyshield! Sunscreen Shake Mist SPF46 Pa+++ TNW Sun Protection With Niacinamide, White Rose Extract And Vitamin E TRESemmé Full Fibre Volume Shampoo TRESemmé Keratin Smooth Heat Protect Spray TRESemmé Keratin Smooth Heat Protect Spray needs Sabonete Gel Limpeza Diária - Pele Normal A Seca BRYG Vit C 4 Types Vitamin C Bright Booster Serum Banana Boat Aloe Vera Gel Brilliant skin Advance Hydrating Toner Byphasse Xpress Conditioner Activ Boucles Fix derma Shadow A-Gel Sunscreen Fix derma Shadow Spf 30+Gel