For dry hair! Helps optimize the moisture balance in the hair and makes it feel softer and stronger. Contains spirulina extract and aloe vera extract. Vegan formula: without ingredients of animal origin or by-products. Use: Use after Biolage HydraSource Shampoo. Apply to wet hair and leave on for 3-5 minutes for best results. Rinse out. Biolage Deep Treatment HydraSource Pack 100 ml