The highly effective booster immediately provides a better hair feel and maximizes the care effect of NEWSHA Treatments and Masques. The hair is immediately noticeably and visibly strengthened and the tensile strength of the hair is increased. Thanks to the special and highly effective formula, even the most severe hair damage is regenerated. The hair is supplied with moisture and the hair structure intensively cared for with essential care and nutrients. Split ends and hair breakage are stopped immediately. The Intense Repair Boost stores the lost, hair's own basic substances back inside the hair. Thanks to the fine amino acids, the product manages to penetrate particularly deep into the hair and fill the holes and cracks in the hair.