Ingredient guide
Pterostilbene
pterostilbene
In short
Pterostilbene is a compound related to resveratrol but more stable and lipid‑friendly. It is explored for helping with uneven tone and redness, though real‑world topical evidence is still early.
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What it is
Dimethylated analogue of resveratrol from blueberries and red grapes; dimethylation substantially increases lipophilicity, improving cell membrane permeability and metabolic stability compared with resveratrol; SIRT1 activator, NF-κB and AP-1 inhibitor; stronger tyrosinase inhibition than resveratrol in cell-free assays; greater oxidative stability in formulation than trans-resveratrol; used as a more bioavailable resveratrol alternative in antioxidant serums; topical clinical data is limited but increasing.
Where it sits
Serums sit after toner and before moisturiser. Thinnest to thickest, water before oil.
- Cleanse
- Tone
- Pterostilbene
- Moisturise
- SPF
Also found as
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Where to find it
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Search the Lens for pterostilbeneCommon questions
What does pterostilbene do for skin?
Lab studies suggest it can help moderate pigment‑forming enzymes and calm visible redness thanks to antioxidant and anti‑stress activity. Human data in skincare is still limited.
Who is pterostilbene for?
It may appeal to people looking for gentle support for uneven tone or sensitivity‑prone redness.
How is pterostilbene used in skincare?
It is usually included in serums or creams as a supportive antioxidant, often in small amounts due to its potency.
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Personal guidance, not medical advice.