Apply 2 to 4 pumps to dry or towel-dried hair, distributing the product over lengths and ends. Leave the serum on all night, as its formula parfum its formula won't stain your pillow. You can use it as often as necessary, depending on the fragility of your hair.
No specific precautions are required for this product under normal or reasonably foreseeable conditions of use.
L'ORÉAL - 14, rue Royale - 75008 Paris France
relationclient@kerastase.oaccare.fr
If you would like further information about the product, please contact customer service by e-mail info@my-origines.com or by telephone 0969 321 310 Monday to Saturday, 8am to 5pm