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Moumoujus

TRIFLUOROMETHYL C1-4 ALKYL DIMETHICONE.

Avoid / HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING

TRIFLUOROMETHYL C1-4 ALKYL DIMETHICONE is a fluorosilicone fluid engineered to enhance skin's surface properties. It functions by creating a breathable, water-repellent barrier that reduces transepidermal water loss and offers protection against environmental factors, while also acting as a humectant.

Summary

skin conditioning humectant hair conditioning

Science

Mechanism of Action

This ingredient operates as a sophisticated fluoro silicone fluid, delivering enhanced lubricity and pronounced water-repellency to the skin's surface. It meticulously constructs a protective, vapor-permeable film, which effectively mitigates moisture evaporation and provides a shield against external aggressors. Concurrently, it functions as a skin conditioning agent, supporting dermal health, and a humectant, actively attracting and retaining vital moisture.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No data available regarding dusting properties of this ingredient.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Exhibits superior spreading characteristics due to its low surface tension and forms a durable, vapor-permeable film on the skin.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
85%
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel generally considers dimethicone and related methicone polymers safe for cosmetic use, provided they are formulated to be non-irritating and are not incidentally inhaled, such as from airbrush applications. These polymers, including dimethicone itself at concentrations up to 85%, are deemed unlikely to be significantly absorbed by the skin due to their high molecular weight. However, TRIFLUOROMETHYL C1-4 ALKYL DIMETHICONE is classified by the Environmental Working Group (EWG) as a per- and polyfluoroalkyl substance (PFAS). This class of chemicals is a significant concern due to potential associations with reproductive and developmental toxicity, immunotoxicity, various cancers, cardiovascular effects, liver effects, and thyroid disruption in both human and animal studies. PFAS are known for their environmental persistence and widespread human exposure. While the FDA generally acknowledges dimethicone's safety as a skin protectant at low concentrations, no specific safety opinion for TRIFLUOROMETHYL C1-4 ALKYL DIMETHICONE from the SCCS was identified. Given the classification as a PFAS with associated health risks and environmental persistence, this ingredient warrants extreme caution.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Avoid

Despite offering beneficial barrier and hydrating properties, TRIFLUOROMETHYL C1-4 ALKYL DIMETHICONE's classification as a PFAS substance, linked to potential reproductive and developmental toxicity, immunotoxicity, and environmental persistence, significantly outweighs its cosmetic benefits and necessitates avoidance in precision skincare.

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