N-Hydroxysuccinimide

N-Hydroxysuccinimide is an organic compound that acts as a chelating agent. In cosmetic formulations, it is often used in products targeting dark circles under the eyes. It is believed to help by making iron more soluble, which can reduce the appearance of discoloration caused by blood pigments.

BenefitModerate 1.5 / 4

Pigmentation i1.5 / 4

Whether it can help uneven tone, dark spots, melasma-like discoloration, or post-inflammatory hyperpigmentation — including brightening and tyrosinase-inhibiting ingredients.

RiskVery low 0 / 4

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

• helps reduce appearance of dark circles

Pairs well with

• Chrysin — Often combined with chrysin in formulations targeting dark circles, as they are believed to work synergistically to address blood-derived pigments.

Products with N-Hydroxysuccinimide

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Frequently asked questions

How does N-Hydroxysuccinimide help with dark circles?

N-Hydroxysuccinimide is thought to chelate (bind to) iron, making it more soluble. This process can help to clear away blood pigments that accumulate under the eyes, which are a common cause of dark circles.