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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
  • Environ Skin EssentiA Vita-Antioxidant AVST 5
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    Medik8 Daily Radiance Vitamin C SPF30
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  • Environ Comfort+ Vita-Enriched Colostrum Gel
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  • Environ Youth EssentiA Vita-Peptide Intensive Serum 4 Plus
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  • Medik8 Crystal Retinal 20 Medik8 Crystal Retinal 1, swatch
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    Environ Youth+ Tri BioBotanical Revival Masque
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  • Environ Youth EssentiA Vita-Antioxidant Defence Creme Plus
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    Medik8 Hydr8 B5 Intense
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  • Environ Youth+ Tri-Peptide Complex+ Avance Elixir
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    Medik8 Surface Radiance Cleanse
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  • Environ Youth EssentiA Antioxidant Defence Creme
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  • Size
    Medik8 Hydr8 B5
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    From £16.00
  • Environ Body EssentiA Alpha Hydroxy Derma-Lac Lotion
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  • Medik8 Advanced Day Ultimate Protect SPF50+ Medik8 Advanced Day Ultimate Protect SPF50+, view 2
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  • DreamWeave Lash Construct Mascara - Black
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    Medik8 Liquid Peptides
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  • Dermaceutic K Ceutic SPF 50
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  • Environ Youth+ Hydro-Lipidic 3DSynergé Filler Crème 30ml
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  • Environ Clarity+ Botanical Infused Sebu-Tone Clarifier
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  • Environ Moisture+ HA Intensive Hydrating Serum
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  • Environ Clarity+ Hydroxy Acid Sebu-Lac Lotion
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  • Environ Youth EssentiA Vita-Peptide C-Quence Serum 4
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  • Environ Clarity+ Vita-Botanical Sebu-ACE Oil
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    £42.00
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  • Medik8 Advanced Day Total Protect SPF30 Medik8 Advanced Day Total Protect SPF30, swatch
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    £57.00
  • Environ Youth+ Tri-Peptide Complex Avance Moisturiser
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  • Environ Youth EssentiA Vita-Peptide C-Quence Serum 3
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  • Environ Youth EssentiA Vita-Peptide C-Quence Serum 1
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  • Dermaceutic Hyal Ceutic
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  • Environ Clarity+ Botanical Infused Sebu-Spot Blemish Gel
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  • Medik8 Crystal Retinal Ceramide Eye 3 Medik8 Crystal Retinal Ceramide Eye 3, view 2
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    £42.00
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    £109.00
  • Dermaceutic C25 Cream
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  • Environ Youth EssentiA Vita-Peptide C-Quence Serum 2
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  • Exuviance Night Corrector
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  • Medik8 Clarity Peptides Medik8 Clarity Peptides, view 2
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    £45.00
  • Environ Moisture+ Alpha Hydroxy Night Cream
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  • Medik8 Advanced Night Eye Medik8 Advanced Night Eye, swatch
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    £42.00
  • Environ Skin EssentiA Oil-Free Eye Make-Up Remover
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  • Environ Skin EssentiA Vita-Antioxidant AVST Gel
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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.