"When thinking about hair growth, you need to take a whole-body approach and address the root causes," says dermatologist Dr.

Our Rosemary Redensyl Tetragain Serum is a breakthrough formulation designed to address multiple hair concerns.

Do you end up surrounded by a pool of hair strands every time you comb your hair? Chances are your scalp lacks essential nutrients like biotin, keratin or peptides that contribute to hair growth.

A handful extolled the virtues of the Strength + Length Conditioner, £23, which had made their hair feel “like silk”, while others loved that the Overnight Boosting Peptide Serum, £43 ...