La Roche-Posay Glycolic Acid Dark Spot Serum 1 oz — 10% AHA, Tranexamic Acid for Brighter Even Tone

La Roche-Posay Glycolic Acid Dark Spot Serum is a lightweight, 10% glycolic acid facial serum formulated with tranexamic acid, kojic acid and vitamin B5 to visibly reduce the appearance of dark spots and promote a brighter, more even-looking complexion.

This serum combines dermatologically tested actives in a gentle-feeling base to help resurface skin and target areas of discoloration. Designed for evening use, the formula pairs a high-concentration glycolic acid exfoliant with complementary ingredients—TXA to address pigmentation pathways, kojic acid to help even tone, and panthenol (vitamin B5) to support skin comfort. It’s presented in a 1 oz dropper bottle and is free from fragrance, parabens and oil, making it a practical option for many skin tones and sensitivities when introduced cautiously.

How quickly can I expect to see brighter skin?

Visible improvements in radiance often appear within a couple of weeks of consistent evening use. Clinical testing with the formula shows that skin looks brighter after about two weeks, while more pronounced reduction in dark spots is reported around four weeks.

• Use 3–4 drops each evening as directed.
• Results are cumulative—daily application improves outcomes.
• Pair with broad-spectrum SPF each morning to protect renewed skin.

Can I use this serum on sensitive or multiple skin tones?

The formula is developed and tested for safety on sensitive skin and formulated to suit a range of skin tones. It uses a triple-acid approach balanced with panthenol to help minimize irritation, but patch testing and gradual introduction are recommended for those with high sensitivity.

• Fragrance-free, paraben-free and oil-free for gentler tolerance.
• Allergy- and dermatologist-tested to support safety claims.
• Start alternate nights if you have reactive skin, then increase as tolerated.

How does this serum fit into my existing skincare routine?

Apply the serum in the evening after cleansing and before heavier creams or oils. Because it contains 10% glycolic acid, it functions as an active exfoliant—limit other strong actives (like retinoids or other AHAs/BHAs) initially to avoid over-exfoliation.

• Cleanse, then apply 3–4 drops to face in the evening.
• Finish with a moisturizer; use SPF each morning to protect treated skin.
• Avoid combining with other high-concentration acids until tolerance is established.

What key ingredients make this serum effective?

This product pairs a concentrated 10% glycolic acid with targeted brightening and soothing actives. Tranexamic acid and kojic acid help address pigmentation and tone, while lipo-hydroxy acid (LHA) and panthenol support gentle resurfacing and comfort.

• Glycolic Acid (10%): exfoliates surface skin to improve texture and tone.
• Tranexamic Acid (TXA): works on pigment-related pathways to even complexion.
• Kojic Acid and LHA: contribute to visible reduction in discoloration and refined skin surface.
• Vitamin B5 (panthenol): helps soothe and maintain skin hydration.

Who is this for? La Roche-Posay Glycolic Acid Dark Spot Serum is suited to people seeking a targeted evening treatment for visible dark spots, uneven tone and dullness. It’s intended for adults who want a clinically tested AHA exfoliant combined with brightening actives and a lightweight feel—especially those prepared to use sunscreen daily and introduce actives gradually. If you have very reactive skin, consult a dermatologist before starting and consider patch testing. This product is presented by La Roche-Posay, a brand recommended by dermatologists and formulated with a focus on safety for sensitive skin types.

Ingredients

Water, Alcohol Denat., Glycolic Acid, Propylene Glycol, Potassium Hydroxide, Kojic Acid, Ammonium Polyacryldimethyltauramide/Ammonium Polyacryloyldimethyl Taurate, C12-13 Alkyl Lactate, Disodium EDTA, Hydroxyethylcellulose, Capryloyl, Salicylic Acid, Vitreoscilla Ferment.