Description: Thermal and mechanical styling and intensive processes of coloring - curling - straightening hair affect the health and safety and strength of the hair and remove shine and softness of the hair within a few weeks to a month depending on how the hair is handled and this is due to breaking hair bonds and Olaplex number 3 by maintaining the strength and structure and health of the hair and its elasticity and shine. Size: 100 ml Usage: Apply a generous amount to towel-dried hair and leave it for at least 10 minutes, then rinse and wash the hair with shampoo and conditioner. Olaplex number 3 is not a moisturizing treatment; it is left on the hair but the hair should be washed with shampoo after finishing. The longer it is left on the hair, the more effective it is. It is recommended to leave it for 10 minutes and can be left longer for better results. It can also be used more than once a week if necessary.