Do an oil treatment before shampooing: with the Synergistic Oil Bath for very damaged hair In addition to your hair mask, add: - Jojoba oil For daily application on your lengths and ends , use light oils that are also suitable for oily hair: avocado oil and coconut oil . Using our Hair Growth Range is recommended because the active ingredients in this range strengthen hair and prevent breakage. Composed of a synergistic oil bath , a Hair Growth Shampoo , and a Hair Growth Serum enriched with rocket oil, this range is perfect for achieving hair growth!