Hydrolyzed keratin can penetrate deep into the hair strands, replenish the protein lost due to hair damage, reshape the internal structure of the hair, enhance the toughness and elasticity of the hair, and effectively reduce hair breakage and split ends. The amino acid complex is like a "nutritional supplement" for the hair, providing essential nutritional elements for the hair, promoting hair growth and making the hair healthier and thicker. A variety of plant essential oils, such as coconut oil and almond oil, can form a protective film on the surface of the hair, lock in moisture, prevent the hair from being dry and rough, and endow the hair with a natural luster and smooth texture.