Thymuskin is a range of hair shampoos, conditioners and serums which are proven to stop hair loss and activate new hair growth.  Patented active ingredient complex GKL-02 contained in Thymuskin consists of non-animal thymic peptides. The biological activity of Thymuskin is evident in the activation of the hair cells (keratinocytes) which have an influence on the growth of hair. The range consists of three strengths Classic, Med and Forte and are suitable for long term use.