Davines Nourishing Royal Jelly Hair Plus pH 4.4 is for Dry & Brittle hair / Stresed Scalps To strengthen hair that is dehydrated and weakened by environmental factors or illness, and to care for general scalp anomalies, Davines created a unique complex rich in remineralizing and vitamin properties. Royal Jelly which is produced from the glands of young worker bees and consists of the queen bee's only source of nourishment, infuses essential amino acids, mineral salts and vitamins (B1, B6, B12, C, E) into the hair to internally nourish and reinforce the hair structure, making it more resistant. Use: Apply to scalp and hair after shampooing with Moisture Remedy Shampoo. Pour the solution (1+) into the powder (+2) and shake well. Apply directly on the scalp and massage, then apply to the full length of the hair shaft. Do not rinse. For an intensive treatment, use three times a week for two-three weeks, and as a maintenance treatment, use once a week.