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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
  • Dermaceutic Activabiome
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  • Medik8 Calmwise Colour Correct Medik8 Calmwise Colour Correct, swatch
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  • Skin Tech Blending Bleaching Cream
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  • Environ Comfort+ Vita-Enriched Antioxidant Gel
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  • Pharmaceris H Stimuforten Intensive Hair Growth Stimulating Spray
    Pharmaceris
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  • NeoStrata Skin Active Tri-Therapy Lifting Serum
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  • Dermaceutic Foamer 5
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  • Dermaceutic Mela Cream
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    Dermalogica Daily Microfoliant
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  • Priori LCA fx110 - Gentle Cleanser
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  • NeoStrata Skin Active Firming Potent Retinol Complex
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  • Epionce Intense Defense Serum
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    Dermalogica UltraCalming Cleanser
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    Dermalogica UltraCalming Cleanser Dermalogica UltraCalming Cleanser, view 2
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  • Dermaceutic Radiance
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    Dermaceutic
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    £43.20 £48.00 10% saving
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  • Maskology Serum Hyaluronic Acid - Professional Facial Serum
    Maskology
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  • Circadia Vitamin Veil Cleansing Oil Circadia Vitamin Veil Cleansing Oil, view 2
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  • Medik8 Ultimate Recovery Bio-Cellulose Mask Medik8 Ultimate Recovery Bio-Cellulose Mask, swatch
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    £70.00
  • CACI Amino Lift Peptide Complex
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  • Epionce Purifying Wash
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    £43.00
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  • Circadia Vitamin C Reversal Antioxidant Serum, view 2 Circadia Vitamin C Reversal Antioxidant Serum, view 3
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  • Dermaceutic Light Ceutic
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  • NeoStrata Restore Bionic Face Serum
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    £69.00
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  • Dermaceutic Yellow Cream
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  • Circadia Amandola Milk Cleanser Circadia Amandola Milk Cleanser, view 2
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  • NeoStrata Resurface Glycolic Renewal Smoothing Cream
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    £57.00
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  • NeoStrata Resurface High Potency Cream
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    £50.00
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  • Olaplex No.6 Bond Smoother
    Olaplex
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    Olaplex
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    £30.00
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  • NeoStrata Resurface Smooth Surface Glycolic Peel
    NeoStrata
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    NeoStrata Resurface Smooth Surface Glycolic Peel NeoStrata Resurface Smooth Surface Glycolic Peel, view 2
    NeoStrata
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    £69.00
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  • NeoStrata Restore Ultra Moisturizing Face Cream
    NeoStrata
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    NeoStrata
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    £57.00
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  • Priori LCA fx140 - Barrier Restore Complexe
    Priori
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    £70.99
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  • Circadia Daytime Control, view 2 Circadia Daytime Control, view 3
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  • Advanced Nutrition Programme Skin Moisture Lock
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    Advanced Nutrition Programme
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    £77.00
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  • NeoStrata Restore Bionic Lotion
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    £53.00
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  • Maskology Hyaluronic Acid - Professional Facial Sheet Mask
    Maskology
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    Maskology
    Maskology Hyaluronic Acid - Professional Facial Sheet Mask
    £5.95
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    Dermalogica Special Cleansing Gel
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    Dermalogica Special Cleansing Gel Dermalogica Special Cleansing Gel, view 2
    Dermalogica
    Dermalogica Special Cleansing Gel
    From £14.00
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  • NeoStrata Clarify Oily Skin Solution
    NeoStrata
    NeoStrata Clarify Oily Skin Solution
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    NeoStrata
    NeoStrata Clarify Oily Skin Solution
    £31.00
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  • NeoStrata Resurface Glycolic Mousse Cleanser - 125ml
    NeoStrata
    NeoStrata Resurface Glycolic Mousse Cleanser - 125ml
    NeoStrata Resurface Glycolic Mousse Cleanser - 125ml
    NeoStrata
    NeoStrata Resurface Glycolic Mousse Cleanser - 125ml
    £34.80
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  • NeoStrata Restore PHA Renewal Pads
    NeoStrata
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    £52.80
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  • NeoStrata Restore Pure Hyaluronic Acid Biocellulose Mask NeoStrata Restore Pure Hyaluronic Acid Biocellulose Mask, view 2
    NeoStrata
    NeoStrata Restore Pure Hyaluronic Acid Biocellulose Mask
    £12.00
  • NeoStrata Restore Hydra Filling PHA Eye Cream 15g
    NeoStrata
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    NeoStrata
    NeoStrata Restore Hydra Filling PHA Eye Cream
    £54.00
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  • Epionce Purifying Toner
    Epionce
    Epionce Purifying Toner
    Epionce Purifying Toner
    Epionce
    Epionce Purifying Toner
    £34.00
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  • NeoStrata Enlighten Brightening Eye Cream
    NeoStrata
    NeoStrata Enlighten Brightening Eye Cream
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    NeoStrata
    NeoStrata Enlighten Brightening Eye Cream
    £61.00
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  • Environ Comfort+ Purifying Anti-Pollution Masque
    Environ
    Environ Comfort+ Purifying Anti-Pollution Masque
    Environ Comfort+ Purifying Anti-Pollution Masque Environ Comfort+ Purifying Anti-Pollution Masque, with packaging
    Environ
    Environ Comfort+ Purifying Anti-Pollution Masque
    £45.00
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  • Exuviance AGE REVERSE HydraFirm
    Exuviance
    Exuviance AGE REVERSE HydraFirm
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    Exuviance
    Exuviance AGE REVERSE HydraFirm
    £76.00
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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.