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Powered by RCI Hairscience®, OPAK™️ is the cutting-edge series where science-based hair restoration and luxury meet. The brand was established by a team of scientists and researchers from the heart of Cambridge.

The OPAK™ name is derived from the iconic British Oak tree that symbolises divine wisdom. The logo is based on the shape of the oaknut, exemplifying the result of extensive research. The circularity of “O” not only symbolises the hair growth cycle, but how modern lifestyles, hair loss and luxury solutions have been harmonised as one.




The scalp has its own microenvironment, and the hair follicles within it are complex mini organs, consisting of intricate stem cell and progenitor cell structures. When it comes to the facilitation of hair growth, only a small molecule can enter the cells to stimulate the growth process-molecules known as growth factors or polypeptides.

There are many different growth factor families which have been shown to be crucial for regulating the hair cycle, functioning via signalling pathways that govern hair follicle development, repair, and regeneration. Researchers and development teams at OPAK™️ identified a number of key growth factors that could be safely and effectively incorporated into haircare.