What concentration of Succinic Acid is effective?

Typical effective concentrations of Succinic Acid are 0.1–5% in OTC products, 2–3% in targeted acne treatments.

What skin types is Succinic Acid suitable for?

Succinic Acid is suitable for oily, acne-prone, blemish-prone, combination.

The Skin Formulary

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Researched by Helena DeMaria-Williams

Formula IngredientExfoliant

Succinic Acid

Q: Can Succinic Acid cause skin irritation?

Succinic Acid has a low irritation risk. Succinic acid is not classified as toxic, corrosive, or irritating by the GHS. The FDA considers it safe for cosmetic use and EWG rates it 1 (lowest hazard). Mild irritation such as redness or itching is possible in sensitive skin types, particularly at higher concentrations. No EU Annex II or III restrictions apply.

Q: Is Succinic Acid safe to use during pregnancy?

Succinic Acid is rated "caution" for pregnancy use. Succinic acid is not considered a harmful ingredient to avoid during pregnancy and there is no evidence of reproductive toxicity. However, clinical data specifically assessing safety during pregnancy is limited. As a precaution, consult a healthcare provider before use during pregnancy.

Q: Does Succinic Acid increase sun sensitivity?

Succinic Acid has a caution sun sensitivity risk. Succinic acid is not classified as a photosensitising ingredient. However, as a mild exfoliant, standard sun protection (SPF 30+) is advised during use to protect freshly exfoliated skin from UV exposure.

INCI: Succinic Acid

Succinic acid is a naturally occurring dicarboxylic acid (chemical name: butanedioic acid) originally found in fossil amber and today produced via fermentation or chemical synthesis. It works by gently loosening dead skin cells to promote exfoliation, inhibiting the growth of acne-causing bacteria (Cutibacterium acnes), and helping to regulate sebum production. It also has antioxidant and mild anti-inflammatory properties that can soothe blemish-prone skin.

What does this do in a formula?

gentle exfoliation, antibacterial, acne control, sebum regulation, anti-inflammatory, antioxidant, wound healing support

Is Succinic Acid safe? Key considerations

Can Succinic Acid cause irritation?

Low Risk

Succinic acid is not classified as toxic, corrosive, or irritating by the GHS. The FDA considers it safe for cosmetic use and EWG rates it 1 (lowest hazard). Mild irritation such as redness or itching is possible in sensitive skin types, particularly at higher concentrations. No EU Annex II or III restrictions apply.

Does Succinic Acid increase sun sensitivity?

Caution Risk

Succinic acid is not classified as a photosensitising ingredient. However, as a mild exfoliant, standard sun protection (SPF 30+) is advised during use to protect freshly exfoliated skin from UV exposure.

Is Succinic Acid safe during pregnancy?

Caution

Succinic acid is not considered a harmful ingredient to avoid during pregnancy and there is no evidence of reproductive toxicity. However, clinical data specifically assessing safety during pregnancy is limited. As a precaution, consult a healthcare provider before use during pregnancy.

How does Succinic Acid work?

Individuals with known acid sensitivity; use with caution on sensitive or reactive skin should review the considerations above before use.

Which products contain Succinic Acid?

Shop products that contain Succinic Acid