Hydra Plus SerumHydrating Serum Softens, straightens and lightens the hair. Seals the cuticle, making the hair more manageable. Creates a barrier to avoid humidity, It's ceramides reinforce and hydrate the hair fiber. Thermoprotector. Warnings: This product contains ingredients which cause skin irritation on certain individuals and a preliminary skin allergy test according to accompanying directions should first be made. For external use only. When using this