Rene Furterer Paris Forticea Stimulating Shampoo thin hair programs frquent use to maximize their effectiveness. Rene Furterer recommends massaging the scalp while shampooing in order to release the essential oils contained in the biospheres and improve the penetration of invigorating peptides through increased blood circulation. Rich and concentrated, this PH-neutral shampoo respects the scalp's natural balance and provides volume and strength to the hair. Use: Apply the shampoo to wet scalp. Massage in a circular motion from the base of the neck forward. Leave in for 1 to 3 min. Rinse. Can be used everyday. In case of contact with eyes, rinse thoroughly.