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Fortifying Brow Gel T51: Now with only 20 ingredients including 1% pea peptides for fuller, natural brows.
Fortifying Brow Gel T51: 3 neutral shades for flexible, clump-free volume.

Fortifying Brow Gel T51: 3 neutral shades for flexible, clump-free volume.

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AHA

AHA (alpha-hydroxy acids) are naturally derived exfoliating actives, renowned for their ability to enhance skin texture and radiance. Learn more about these active ingredients, their role in cellular renewal and how they differ from BHAs and PHAs.
Effet acide glycolique soleil.
Exfoliating actives
6 min of reading
Should glycolic acid be avoided during exposure to sunlight?

Glycolic acid, an alpha hydroxy acid (AHA), is widely recognised for its exfoliating properties, making it a popular choice in skin care. But when it comes to sun exposure, should you exercise caution? This article examines the relationship between glycolic acid and photosensitivity, supported by scientific research.

Effets acide glycolique pellicules.
Exfoliating actives
6 min of reading
Glycolic acid and dandruff: what are the effects?

Dandruff is a persistent condition that affects nearly half the population worldwide. The presence of white or yellow flakes, together with itching and irritation, can be both uncomfortable and frustrating. Recently, glycolic acid, renowned for its use in skincare, has begun to attract attention for its potential role in dandruff management. Could this versatile alpha-hydroxy acid help alleviate the symptoms of dandruff? Let us explore its potential benefits and the scientific rationale underpinning them.

Acide glycolique contour des yeux.
Exfoliating actives
6 min of reading
Eye Contour: Does Glycolic Acid Counteract Dark Circles?

Dark circles under the eyes are a common cosmetic concern. Contributing factors include genetic predisposition, lifestyle choices, skin thinning and hyperpigmentation, all of which can alter the appearance of the under-eye area. A range of treatments exists, from topical agents to cosmetic procedures, with glycolic acid (GA) emerging as a popular chemical peel. But can GA effectively reduce dark circles? This article examines the scientific evidence on the use of glycolic acid for dark circles and its potential benefits.

Acide glycolique lèvres.
Lips & Eye Contour
6 min of reading
Can glycolic acid be used for lip care?

Glycolic acid, an alpha hydroxy acid (AHA) derived from sugarcane, is renowned for its ability to exfoliate, brighten and moisturise the skin. Widely employed in facial chemical peels, its potential in lip care is now coming to the fore. But can glycolic acid be used safely as a chemical peel on this sensitive area? This article examines the prospective benefits, risks and safe application practices for using glycolic acid on the lips, drawing on current data and scientific evidence.

Effets acide glycolique pores dilatés.
Exfoliating actives
5 min of reading
Glycolic acid: can it overcome enlarged pores?

With age, sun exposure and excess sebum, pores tend to dilate, compromising the uniformity of the complexion. According to certain sources, glycolic acid, from the alpha-hydroxy acid (AHA) family, may tighten them. Is there scientific evidence to support such an action? Let us explore whether glycolic acid is an effective solution for tackling enlarged pores.

FAQ about aha

Which AHA is the most effective?

The choice depends on your skin type and concerns. The glycolic acid is often considered the most effective for exfoliating and improving skin texture, while the lactic acid offers a gentler exfoliation coupled with hydration.

Can AHAs be used in the morning?

AHAs can increase the skin’s sensitivity to sunlight and should therefore preferably be used in the evening. Adequate sun protection is then essential the following day.

Can alpha-hydroxy acids (AHAs) reduce wrinkles?

By stimulating cellular turnover, AHAs improve the skin’s appearance and can help reduce the signs of skin ageing.

Are AHAs suitable for sensitive skin?

Most AHAs are too irritating for sensitive skin. Nevertheless, thanks to its high molecular weight, lactic acid is considered a mild AHA that can be used on sensitive skin.

Can AHAs be used daily?

Depending on their concentration, alpha-hydroxy acids (AHAs) may be used daily if the skin tolerates them well. However, it is recommended to begin with intermittent applications to minimise irritation and assess skin tolerance.

Do AHAs lighten pigment spots?

AHAs can help reduce superficial spots by accelerating the removal of pigmented cells, but results require several weeks of regular use.

At what concentration are AHAs used in cosmetics?

In cosmetics, concentrations typically range from 5% to 10% depending on the active ingredients and the products. Beyond that, they more commonly involve aesthetic treatments performed in beauty salons or dermatology clinics.

What are the most common AHAs?

Glycolic acid, lactic acid, mandelic acid and citric acid are among the most commonly used AHAs.

Are AHAs suitable for dry skin?

That depends on the AHAs. Lactic acid, for example, which also has humectant properties, may be particularly suitable for exfoliating dry skin.

Can AHAs be combined with retinoids?

Combining AHAs and retinoids is generally inadvisable, as this combination can prove too irritating for the skin.

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