Sodium carboxymethyl Cellulose (CMC - Na) has the following applications in cosmetics:
1. Thickening: It increases the viscosity of cosmetics such as lotions and creams, giving them a proper texture and stability, which is convenient for use and storage.
2. Stabilizing: As a stabilizer, it prevents the ingredients in the cosmetic system from separating and precipitating, maintaining a uniform appearance and performance.
3. Film - forming: It forms a film on the skin surface, which helps to maintain the efficacy of cosmetics. For example, it can enhance the durability of the sun - protection effect of sunscreen products.
4. Moisturizing: It has a certain water - absorbing capacity and can help the skin retain moisture, keeping the skin in a hydrated state.
