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TETRAMETHYL HEXAPHENYL TETRASILOXANE.

Insufficient Data CAS 38421-40-8 / SKIN CONDITIONING

TETRAMETHYL HEXAPHENYL TETRASILOXANE is a silicone derivative employed for its skin conditioning properties. It functions by creating a gentle, occlusive barrier on the skin's surface, which aids in moisture retention and supports the overall skin barrier function.

skin conditioning

Science

As a member of the silicone polymer family, TETRAMETHYL HEXAPHENYL TETRASILOXANE operates by forming a delicate, non-greasy film over the epidermis. This polymeric layer effectively minimizes transepidermal water loss (TEWL), thereby enhancing skin hydration levels and contributing to the restoration of optimal skin homeostasis.


Research

Insufficient-data confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

As a liquid silicone, TETRAMETHYL HEXAPHENYL TETRASILOXANE is not typically associated with dusting phenomena in cosmetic formulations.


The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Safety

CIR Status
Safe with restrictions
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed a broad category including TETRAMETHYL HEXAPHENYL TETRASILOXANE (dimethicone, methicone, and substituted-methicone polymers), concluding they are safe in cosmetic applications when formulated to be non-irritating. However, data are insufficient regarding safety for products potentially inhaled via airbrush technology. No specific GHS classifications, hazard statements, or determined oral, dermal, or inhalation toxicity data have been reported for TETRAMETHYL HEXAPHENYL TETRASILOXANE by The Good Scents Company.


Your Skin

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Insufficient Data

While generally understood as a silicone-based skin conditioning agent, comprehensive clinical efficacy and specific skin compatibility data for TETRAMETHYL HEXAPHENYL TETRASILOXANE are currently insufficient to provide a definitive precision rating.


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