Finely ground silk, used as a bulking, smoothing and conditioning ingredient.
What it is
Serica powder is, according to CosIng, finely pulverised silk. Silk is a protein fibre produced by silkworms. CosIng lists it as an antistatic, bulking, hair-conditioning, skin-conditioning and smoothing ingredient.
Where it is used
Found in a small number of products, such as powders, makeup and skin care products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
The INCI name does not show the particle size or how the silk was processed.
Functions
- Antistatic
- Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
- Bulking
- Non-reactive (chemically inert), solid ingredients that dilute other solids and/or increase the volume of cosmetic products.
- Hair conditioning
- Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
- Skin conditioning
- Maintaining the skin in good condition.
- Smoothing
- Seeking to achieve an even skin surface by decreasing roughness or irregularities.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

