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WetFilm™ MB is a water-resistant film former, clear on wet skin. It is a polymer specifically designed for use in sunscreen formulations that provide the consumer benefit of remaining clear when applied to wet skin. It creates a flexible film on the skin which enables water-resistant performance.

INCI Name: Trimethylpentanediol/Adipic Acid/Glycerin Crosspolymer

Functions: Film Former, Wetting Agent

Ingredient Origin: Synthetic

Labeling Claims: Clean at Sephora, Credo Clean Standard, Ulta Beauty's Conscious Beauty

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Knowde Enhanced TDS

Identification & Functionality

Ingredient Origin
Cosmetic Ingredients Functions
Primary Feedstocks
  • Palm
  • Petrochemical

Features & Benefits

Product Features & Benefits
  • Optimize SPF value
  • Achieve water-resistance in any format
  • Compatible with organic and inorganic UV filters
  • Compatible with alcohol systems & all spray formats
  • Reduced whitening effect
  • Even coating on skin
  • Minimal shine
  • Biodegradable

Applications & Uses

Application Format
Sun Care Applications
Use Level
1 - 5%
Product Applications
  • Sun Care
  • Sticks
  • Hydroalcoholic Sprays
  • All Sprays
  • Emulsions
  • Skincare
  • Color Cosmetics
Instruction for Use

Add to oil phase, can be used in hot or cold process

Properties

Physical Form

Regulatory & Compliance

Standards & Certifications
  • Readily Biodegradable
  • Clean Beauty Preferred
  • China IECIC Listed
  • Halal Certified
  • Vegan & Cruelty-free
  • RSPO Mass Balanced Certified
  • Kosher Compliant

Technical Details & Test Data

Science Behind
  • WetFilm™ MB is an aliphatic polyester with a polymeric structure specifically designed for water-resistance and clear application on wet skin.
  • The polymer is a high molecular weight, hydroxyl-functional crosslinked aliphatic polyester. The high molecular weight polyester structure provides a flexible film that translates to even coverage on skin for optimized sun protection. The hydroxyl functionality gives emulsification properties that prevent coalescence of droplets on skin, eliminating the whitening effect often observed with sunscreens applied to wet skin.
WetFilm™ MB Test Data

WetFilm™ MB Improves Esthetics in SPF 30

WetFilm™ MB - Wetfilm™ Mb Test Data

 

WetFilm™ MB Eliminates the Whitening Effect on Wet Skin

WetFilm™ MB - Wetfilm™ Mb Test Data - 1