Mandelic Serum 8%

CA$61.00
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Reveal clearer, brighter, and more balanced skin with BiON’s Mandelic Acid Serum 8% — a gentle yet powerful exfoliating treatment designed for acne-prone, aging, and pigmented skin.

Formulated with Mandelic Acid, a slow-penetrating AHA naturally derived from bitter almonds, Because of its larger molecular size, mandelic acid absorbs more slowly, offering powerful exfoliation with minimal irritation It helps balance oil while providing antibacterial and anti-inflammatory benefits for visibly smoother, calmer skin.

Supporting ingredients work synergistically to amplify results:

  • Azelaic Acid reduces redness, calms inflammation, and fades post-acne marks and discoloration.

  • Lactic Acid gently resurfaces and boosts hydration for a fresh, radiant glow.

  • Sodium PCA strengthens the moisture barrier and locks in lasting hydration.

This alcohol-free formula brightens, refines texture, minimizes congestion, and supports clear, youthful skin with consistent use.

Key Benefits:
• Clears and refines pores
• Balances sebum production
• Reduces breakouts and inflammation
• Fades dark spots, melasma, and sun damage
• Improves skin hydration by up to 84%
• Promotes a smoother, more radiant appearance

  • pH 3.4

1 oz

Recommended Use:
Apply evenly over cleansed skin every other day for the first 2 weeks. If tolerated, increase to daily use or as directed.

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Reveal clearer, brighter, and more balanced skin with BiON’s Mandelic Acid Serum 8% — a gentle yet powerful exfoliating treatment designed for acne-prone, aging, and pigmented skin.

Formulated with Mandelic Acid, a slow-penetrating AHA naturally derived from bitter almonds, Because of its larger molecular size, mandelic acid absorbs more slowly, offering powerful exfoliation with minimal irritation It helps balance oil while providing antibacterial and anti-inflammatory benefits for visibly smoother, calmer skin.

Supporting ingredients work synergistically to amplify results:

  • Azelaic Acid reduces redness, calms inflammation, and fades post-acne marks and discoloration.

  • Lactic Acid gently resurfaces and boosts hydration for a fresh, radiant glow.

  • Sodium PCA strengthens the moisture barrier and locks in lasting hydration.

This alcohol-free formula brightens, refines texture, minimizes congestion, and supports clear, youthful skin with consistent use.

Key Benefits:
• Clears and refines pores
• Balances sebum production
• Reduces breakouts and inflammation
• Fades dark spots, melasma, and sun damage
• Improves skin hydration by up to 84%
• Promotes a smoother, more radiant appearance

  • pH 3.4

1 oz

Recommended Use:
Apply evenly over cleansed skin every other day for the first 2 weeks. If tolerated, increase to daily use or as directed.

Key Ingredients

  • Mandelic Acid: An alpha-hydroxy acid that brightens, suppresses hyperpigmentation, and enhances cell turnover.

  • Lactic Acid (10%): An alpha-hydroxy acid that improves skin tone, smooths texture, and reduces the appearance of dark spots.

  • Azelaic Acid (2%): Gently clears pores of bacteria while diminishing hyperpigmentation by reducing melanin production and calming inflammation.

  • Vitamin B3: Aids in cellular respiration and lipid synthesis, inhibits skin pigmentation, and improves epidermal barrier function with potent anti-inflammatory properties.


Deionized Water (Aqua), Lactic Acid, Mandelic Acid, Propylene Glycol (humectant), Butylene Glycol (humectant), Hamamelis Virginiana (Witch Hazel) Extract, Sodium Hyaluronate, Niacinamide, Azelaic Acid, Sodium PCA, Citrus Sinensis (Orange) Peel Oil, Cymbopogon Flexuosus (Lemongrass) Oil, Helianthus Annuus Seed Oil (Sunflower Oil), Lavandula Angustifolia Oil (Lavender Oil), Xanthan gum, Sodium Benzoate, Potassium Sorbate