NO SIDE EFFECTS - No side effects or allergens have been detected. The product is safe to use and approved by our cosmetic science team and meets all European standards for safety. ACTIVE NATURAL INGREDIENTS - The Activator Beard growth serum contains natural active ingredients like Biotin. These amazing ingredients help activating dormant, inactive hair follicles beneath the skin. THE PERFECT ADDITION TO YOUR BEARD GROWTH KIT - The Activator can work on its own, but its true value is found in a combined use together with the other awesome products in the Beard Growth Kit. THE ACTIVATOR BEARD GROWTH OIL - The Activator hair growth oil boosts beard growth with natural, active ingredients. We recommend using the Activator serum after the use of our Beard Roller. GROWTH STIMULATING - The Activator Boosts Beard Growth with natural, active ingredients.