It is a hair density serum that tones and stimulates follicles , promoting hair thickness and its healthy appearance. Its advanced formulation with biotinoyl tripeptide facilitates the proliferation of keratinocytes in the hair bulb and acts to achieve more voluminous, dense and strong hair. With the Keratrix™ complex, rich in biofunctional oligopeptides with sustained action on hair fibers, this serum improves the general condition of the hair and scalp. Its light, silicone-free formula absorbs into the scalp without leaving a greasy feeling. This product targets weakened, dull and dull hair, and is beneficial for all hair types. How to use Apply 5-6 drops to clean, dry scalp and massage the serum thoroughly, distributing it evenly. Use the product every night without rinsing and leave it on overnight. Avoid contact with eyes.