The Verdict
The Mary&May Niacinamide + Chaenomeles Sinensis Serum is a standout for those looking for a no-fuss, high-efficacy brightening serum. By focusing on niacinamide for oil control and Chaenomeles sinensis (quince) extract for its rich vitamin C content, it delivers a clear, balanced complexion without the heavy, sticky residue often found in similar serums.
Who It’s For
This serum is a dream for oily and combination skin types. If you struggle with midday shine or dullness, the lightweight, fast-absorbing formula makes it an excellent daily staple. It layers beautifully under makeup and sunscreens, making it a reliable workhorse in any morning routine.
Why We Like It
- Weightless Texture: It absorbs almost instantly, leaving behind a fresh, hydrated finish rather than a tacky film.
- Clean Formulation: The EWG-certified, fragrance-free formula is a win for those who prefer to avoid added perfumes.
- Oil Management: Regular users report a noticeable improvement in sebum production, helping to keep skin looking clear throughout the day.
Important Considerations
While the formula is generally gentle, it isn't one-size-fits-all. The most notable downside is the scent; despite being fragrance-free, the natural botanical ingredients give off an astringent, herbal aroma that some users find polarizing. Additionally, if you have highly reactive skin, proceed with caution—some users reported a stinging sensation, especially when applied immediately after chemical exfoliation.
Quick Summary
- Best For: Oily skin, brightening, and sebum control.
- Texture: Thin, watery, and non-sticky.
- Key Benefit: Brightening and oil-balancing without the heavy feel.




