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Acids

Skincare acids explained, from exfoliating AHAs and BHAs to hydrating hyaluronic acid and vitamin C. Find the right acid for your skin.

AHAs / BHAs / PHAs
Glycolic Acid
Hyaluronic Acid
Kojic Acid
Lactic Acid
Lactobionic Acid
Lipoic Acid
Mandelic Acid
Salicylic Acid
  • Circadia Cleansing Gel with Mandelic Acid Circadia Cleansing Gel with Mandelic Acid, view 2
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  • NeoStrata Resurface Lotion Plus
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  • Dr Levy 3Deep Cell Renewal Micro-Resurfacing Cleanser
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  • Skin Tech Purifying Cream
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  • Environ Comfort+ Complete Anti-Pollution Spritz
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    Dermalogica Antioxidant HydraMist
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  • NeoStrata Enlighten Dark Spot Corrector
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  • Heliocare Advanced Spray SPF 50
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    Dermalogica Pro-Collagen Banking Serum
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  • Dermalogica AGE Bright Clearing Serum
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  • NeoStrata Resurface Glycolic Renewal Smoothing Lotion
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  • Skin Tech Purigel
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  • CACI Eye Revive Mask - 1 Mask CACI Eye Revive Mask - 1 Mask, view 2
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    Exuviance Deep Clean AHA Cleanser
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    Dermalogica Daily Superfoliant
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  • CACI Eye Revive Serum
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  • Exuviance 3-in-1 Clarifying Cleanser
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  • Marini Skin Solutions Bioglycolic Face Cleanser
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  • Skin Tech Nutritive Cream Vit A-C-E Lipoic Complex
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  • Exuviance Targeted Lip Filler 10g
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  • Circadia Licorice & Bearberry Brightening Mist Circadia Licorice & Bearberry Brightening Mist, view 2
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    Dermalogica Skin Smoothing Cream
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  • Circadia Bright White Serum
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  • Nanogen Shampoo For Men
    Nanogen
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    Nanogen
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  • Priori LCA fx120 - Gel Perfector
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    £47.25
  • Circadia Tranquili-Cream Circadia Tranquili-Cream, view 2
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  • Dr Levy Intense Stem Cell Booster Serum
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    Dr Levy Intense Stem Cell Booster Serum
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    £275.00
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  • NeoStrata Correct Glycolic Microdermabrasion Polish
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  • Circadia Cleansing Gel With Salicylic Acid
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    Dermalogica Clear Start Breakout Clearing Foaming Wash
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    Olaplex No.4C Bond Maintenance Clarifying Shampoo
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    From £30.00
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  • Skin Tech Actilift
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    Skin Tech
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    £45.75 £61.00 25% saving
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  • Priori LCA fx121 - Skin Renewal Creme
    Priori
    Priori LCA fx121 - Skin Renewal Creme
    £70.99
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  • Oxygenetix Oxygenating Foundation Blemish Control SPF30
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    Oxygenetix Oxygenating Foundation Blemish Control SPF30
    £66.00
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  • Circadia Rose-Ease Relief Cream
    Circadia
    Circadia Rose-Ease Relief Cream
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  • Silk'n Tightra Intimate Gel
    Silk’n
    Silk'n Tightra Intimate Gel
    £13.50
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    Dermalogica Dynamic Skin Retinol Serum
    Dermalogica
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    Dermalogica
    Dermalogica Dynamic Skin Retinol Serum
    From £37.00
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  • Dermalogica Calm Water Gel 50ml
    Dermalogica
    Dermalogica Calm Water Gel 50ml
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    Dermalogica
    Dermalogica Calm Water Gel 50ml
    £56.00
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    Dermalogica Intensive Moisture Balance
    Dermalogica
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    Dermalogica
    Dermalogica Intensive Moisture Balance
    From £17.00
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Skincare acids explained

Acids help skin shed dull surface cells and look smoother and brighter. AHAs such as glycolic and lactic acid work on the surface for texture and tone, BHAs such as salicylic acid work inside pores for blemish-prone skin, and PHAs such as gluconolactone are the gentlest, suiting sensitive skin. Hyaluronic acid is different: it hydrates rather than exfoliates. Start slowly and wear SPF daily.

AHAs, BHAs and PHAs Hyaluronic acid
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AboutAcids

"Acid" sounds harsh, but in skincare it covers a broad and mostly gentle family. Some acids exfoliate, some hydrate and some are vitamins under another name, so it helps to know which kind you're looking at before adding one to your routine.

The main types

  • Exfoliating acids: AHAs such as glycolic and lactic acid, BHAs such as salicylic acid, and gentler PHAs like gluconolactone. They loosen dead skin cells for a smoother, brighter look.
  • Hydrating acids: hyaluronic acid draws water into the skin's surface layers to help it look plump.
  • Antioxidant acids: ascorbic acid (vitamin C) and lipoic acid help skin cope with everyday UV and pollution.
  • Fatty acids: found in plant oils and barrier creams, they help keep skin soft and comfortable.

Introduce exfoliating acids slowly, two or three evenings a week, and wear SPF every morning, as they can make skin more sensitive to the sun. Hydrating and antioxidant acids are far gentler and fit into most routines straight away. If you're unsure what to combine, our team is happy to help.