Effective prescription 4% hydroquinone that helps correct hyperpigmentation, such as dark spots, sun spots, age spots, melasma, and other types of discoloration, for a healthier-looking, more even skin
HYDROQUINONE 4%
Strong inhibitor of melanin production that has long been established as the most effective ingredient for reducing and potentially eliminating melasma.



![OBAGI Professional-C 15% Serum 30ml [Lilac]](https://www.esthetiquebydrs.co.uk/wp-content/uploads/2026/03/IMG_1072-300x300.jpeg)