Lemon scalp scrub from Garden de Olayan: considered the lemon scalp scrub from Garden de Olayan a natural product weighing 250 grams, and it helps to: remove dead hair and accumulated dead skin cells on the scalp. stimulate blood circulation and activate hair roots. cleanse the scalp and get rid of residues and bacteria. balance the pH level of the scalp. strengthen hair follicles and stimulate healthy hair growth. method of use: wash your hair well and dry it. apply an appropriate amount of the scrub on your scalp. leave it for only 3-5 minutes. rinse it well with lukewarm water. repeat use every 10-14 days. apply a moisturizer afterward to soothe the scalp.