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7 of the best retinol serums

serum for oily skin

How to use retinol serum

Best Serum for Dry Skin

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Doaa Al Mosawi

Doaa Al Mosawi,
International Senior Regulatory Affairs Associate

Joined Holland & Barrett: Mar 2019

BSc (Hons) in Biomedical Science

After completing her BSc in Biomedical Science, Doaa worked in Research and laboratory for 3 years. Doaa was also a member of a product development team in a manufacturing company specialising in sun care and personal care products, researching and providing regulatory advice regarding international regulations.