What over the counter acne treatment should I use?

Over the counter acne treatments are available to buy without a prescription. Most of these products will contain benzoyl peroxide, salicylic acid, retinol or alpha hydroxy acids (AHAs) either alone or in combination. They can be helpful for mild acne, but will not work in all cases and are unlikely to help moderate or severe acne.

Benzoyl peroxide kills bacteria that contribute the formation of acne lesions and helps to prevent excessive skin cell division and clogging of hair follicles with dead skin cells. It is available in concentrations of 2.5-10%. It can cause dryness and irritation of the skin particularly when high concentrations are used.

Salicylic acid removes dead skin cells preventing the openings of hair follicles ‘pores’ from becoming blocked.

Alpha hydroxy acids (AHAs) encompass a wide range of products but the most widely used are glycolic acids and lactic acids. AHAs help to remove dead skin cells and reduce inflammation.

Retinol is chemically related to topical retinoids, which are frequently used prescription products for acne. It works in a similar manner reducing the production of sebum and regulating the division of skin cells (keratinocytes) to reduce blockage of hair follicles.

All of these products can be irritant particularly if you have sensitive skin. If you have mild acne and have not used any topical treatment then a product containing a low concentration of benzoyl peroxide is generally a good starting point. If over the counter products are proving ineffective it is usually better to see a doctor in order to obtain more effective prescription topical or oral treatment.

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Dr. Magnus Lynch, Consultant Dermatologist

About Dr Magnus Lynch

I am a London-based Consultant Dermatologist and Dermatological Surgeon. I am highly experienced in skin cancer diagnosis, Mohs micrographic surgery, acne, rosacea, acne scarring and laser treatments. I studied at the Universities of Cambridge and Oxford, and completed my dermatology training and Mohs fellowship at the prestigious St John’s Institute of Dermatology. I graduated from medical school in 2003 and have worked exclusively in Dermatology since 2012.

I lead a research team at King’s College London investigating the molecular biology of skin cancer. In recent years I have been involved in Media Appearances, including the Channel 5 series 'Skin A&E', where I perform skin surgeries and treat various skin conditions. Filming for the next series has recently completed and the series will be released later in 2025.

My NHS practice is at Guy's Hospital. I consult with private patients at the London Bridge Hospital, OneWelbeck (near to Bond Street station) and on Harley Street. A new consultation is £250. Book A Consultation.

I am the founder of Revessa Health which provides online consultations for acne and rosacea across the UK (see below).

Revessa Health
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