This Alpecin After Shampoo Liquid Hair Growth Energizer is designed to support healthy hair growth as part of your regular cleansing routine. It delivers active ingredients directly to the hair roots, helping to strengthen the hair structure and combat root fatigue. Regular application is key to maintaining vitality and vigor in your hair. Use this energizer after shampooing, applying it directly to the scalp and gently massaging it in. No rinsing is required, allowing the formula to work effectively throughout the day.