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Moumoujus

SERICA POWDER.

Valuable CAS 9009-99-8 / ANTISTATIC, BULKING, HAIR CONDITIONING, SKIN CONDITIONING, SMOOTHING

Serica Powder, derived from silkworm cocoons, is a refined silk protein composed of amino acids. It functions as a versatile ingredient, enhancing skin hydration and elasticity while offering a mattifying effect. Its benefits extend to supporting skin regeneration and providing antioxidant protection.

Summary

Skin conditioning Moisturizing Anti-aging Oil-absorbing Mattifying Antioxidant Soothing Protective barrier Bulking Antistatic Hair conditioning

Science

Mechanism of Action

Serica Powder delivers a comprehensive action by leveraging its amino acid composition, which closely mimics the molecular structure of collagen. This enables it to promote the skin's natural collagen production, fostering cellular renewal and leading to enhanced elasticity, reduced wrinkle depth, and firmer skin. Furthermore, it forms a lightweight protective film on the skin's surface, effectively preventing moisture loss, providing lubrication, and reinforcing the skin's natural barrier against external aggressors. Its amino acids also possess moisture-holding capabilities, while the powder itself efficiently absorbs excess sebum without occluding pores, thereby minimizing pore visibility and imparting a mattified finish. Serica Powder also demonstrates antioxidant properties and can soothe dermal irritation.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 7
0 7 14

Stability

Serica Powder maintains optimal function and stability within a pH range of 4.0 to 7.0; degradation may occur outside this window. For optimal incorporation, it is recommended to add Serica Powder at a rate of 2-5% by weight during the cool-down phase of heated formulations (below 110°C). In cold process formulations, it should be integrated directly into the water phase. It demonstrates good compatibility with a wide array of cosmetic bases, color additives, essential oils, and fragrance oils.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
1.4%
Sensitization risk Low

The Expert Panel for Cosmetic Ingredient Safety (CIR) has concluded that silk protein ingredients, including Serica Powder, are safe for use in cosmetics at their current concentrations. It is considered to be, at most, a mild skin irritant with no significant skin sensitization potential. While generally well-tolerated, rare instances of contact urticaria due to silk have been reported. The highest reported maximum concentration for Serica Powder in leave-on face powders is 1.4%.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Serica Powder is a valuable multi-functional ingredient offering significant hydration, anti-aging benefits, oil control, and soothing properties, suitable for all skin types with a low risk of irritation.

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