Ingredient guide
Hydroxysuccinimide
INCI name · hydroxysuccinimide
In short
Hydroxysuccinimide is a chelating ingredient commonly used in eye creams to help reduce the blue‑purple cast linked with pigment from blood breakdown. It can make under‑eye shadows look less pronounced.
What it is
Iron chelator used in under-eye formulations. May reduce the blue-purple appearance of dark circles caused by haemoglobin degradation products in the periorbital area.
Evidence receipt
No linked study yet
No verified study is linked to this exact ingredient and route. The guidance below describes conventional use; it is not evidence of efficacy.
Where it sits
Serums sit after toner and before moisturiser. Thinnest to thickest, water before oil.
- Cleanse
- Tone
- Hydroxysuccinimide
- Moisturise
- SPF
Also found as
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Common questions
What does Hydroxysuccinimide do in eye products?
It binds iron residues from haemoglobin by‑products, which can soften the look of certain dark circles.
Is it suitable for sensitive skin around the eyes?
It is generally well tolerated and often paired with gentle hydrating ingredients.
Which products use Hydroxysuccinimide?
It appears in targeted under‑eye serums and creams aimed at reducing the appearance of dark shadows.
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