Both white MOKERU and black MOKERU bottle are the same content and it is just to remind user to use once in the morning, and once at night. Hence, buyer may order just one bottle (bottle color to be sent will be random) , or 2 bottles. Dermal Roller and scalp mssage will help the oil solution to penetrate the skin/scalp better in absorption. Product Description 30ml*2 MOKERU Hair Growth Spray Anti Hair Loss Day & Night Use Natural Fast Hair Growth Lotion * 15 days anti hair lossing,start repairing hair growth function of hair follicle * 30 days new hair start growing * Keep using the balding issue will be solved altogether * Pure herbal essence will help to care scalp hair follicle See below list of DHT Blocking ingredients: Aloe Vera Hydrosol, Birch Essential Oil, Chamomile Essential Oil, Plantain Extract, Chia Seed Oil, Jojoba Protein, Saw Paimetto Extract, Horsetall Extract, Nettle Root Extract, Gotu Kola Extract, Castor Seed Oil ,Natural cleansers, Atlas Cedarwood Essential Oil, Orange Blossom Essential Oil, Polygonum multiflorum, Rosemary Essential Oil, Lavender Essential Oil, Coconut Oil, Panthenol Vitamin B5,Cucumber Seed Extract, caffeine, Fo-ti Root Extract, Vegetable Glycerin, BorageSeed Oil,Caprylyl Glycol,Guar Gum,Cellulose,White Willow Bark Extract,Zinc Oxide,Arnica Extract Oil,Rice Protein,Natural Vitamin E. Usage: 1.Twice a day,morning and night (Pls cleaning the lossing hair or bald spot before using) 2.Using 30ml spray bottle to spray the lotion on the scalp evenly 3.Gently massage the solution into the scalp for 10-20 minutes.Do not wash or rinse hair for at least three hours. 4.For best results, leave it overnight and rinse the next morning keep using day by day