CTP collagen tripeptide 1. Promote fibroblast proliferation 2. Replenish collagen nutrition and repair collagen fiber network 3. Abnormal fibroblast metabolism 4. Skin nutrient deficiency 5. Collapse of collagen fiber network. For all skin types. Direct use: Add CTP Essence Powder to a serum, or purified water mix well and apply to your facial skin with a gentle massage at fine lines to help better absorption.. The CTP Essence Powder is mixed with the serum in the ratio of 1:3. You may apply more as needed. Combination Use： The CTP Essence Powder can be added to various skin care products or masks for excellent results. Adequate sleep and proper supplementation of VC can also increase the absorption of collagen.