Benzac AC 2.5%

Gel · Galderma
USUALLY SOLD WITHOUT PRESCRIPTION

Benzac AC 2.5% is a gel made by Galderma that contains Benzoyl peroxide 2.5%. Benzoyl peroxide is a anti-acne: kills acne bacteria and unclogs pores.

Ingredient (salt)Amount
Benzoyl peroxide2.5%

What it is used for

Kills acne bacteria and unclogs pores.

How it works

Kills acne bacteria and unblocks pores; does not cause antibiotic resistance.

How to take it

Start with 2.5 to 5 percent once a day, increasing to twice; can bleach fabrics and hair.

Common side effects

  • Dryness
  • Peeling
  • Redness
  • Stinging

Get medical help straight away if

Swelling, blisters or hives (allergy)

Be careful

Can dry the skin and bleach clothes and towels.

Other medicines and interactions

Can inactivate tretinoin applied at the same time.

Pregnancy and breastfeeding

Considered acceptable in pregnancy and breastfeeding.

Common questions

What is Benzac AC 2.5%?

Benzac AC 2.5% is a gel by Galderma containing Benzoyl peroxide 2.5%.

What is Benzac AC 2.5% used for?

Kills acne bacteria and unclogs pores.

How should I take Benzac AC 2.5%?

Start with 2.5 to 5 percent once a day, increasing to twice; can bleach fabrics and hair. Always follow the dose your doctor or the pack gives.

What are the side effects of Benzac AC 2.5%?

Common side effects include: Dryness, peeling, redness, stinging. Get medical help straight away for: Swelling, blisters or hives (allergy).

Does Benzac AC 2.5% need a prescription?

It is usually sold without a prescription in India, but ask a pharmacist if you take other medicines or have a long-term illness.

Can I take Benzac AC 2.5% in pregnancy or while breastfeeding?

Considered acceptable in pregnancy and breastfeeding.

What are the substitutes for Benzac AC 2.5%?

We have no other brand with exactly the same composition and strength in our list yet. Ask your pharmacist for an equivalent.

Sources and further reading

NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.

Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.