Silica reduces the appearance of fine lines and wrinkles due to its light scattering properties. It has a very silky feel and is also highly absorbent making it a good powder to add for those with oily skins. Used in high quality mineral foundations, blushers, bronzers, eye shadows and skin prep creams and lotions, Because of the above properties makes it a perfect ingredient to add to a natural dry hair shampoo! Particle size 5-8 um.