About Good Molecules 5% Niacinamide Serum with Ectoin
Revitalize your complexion with Good Molecules 5% Niacinamide Serum with Ectoin. This dual-action formula hydrates deeply while targeting texture, uneven tone, and enlarged pores—all in one step. Lightweight and gentle yet incredibly effective, it combines 5% niacinamide to refine tone and texture, acetyl glucosamine to smooth and brighten, and ectoin to replenish moisture and fortify your skin’s barrier. The result? A brighter, more even, and healthier-looking complexion.
Key Ingredients
5% niacinamide (vitamin B3) and vegan acetyl glucosamine (AG) work together to help renew and smooth skin texture and the look of enlarged pores, while helping brighten skin tone for a more even, radiant complexion
Ectoin boosts hydration and helps defend the skin from external aggressors, supporting our barrier function
How to Use
Apply a few drops in the morning and at night before moisturizer. Suitable for daily use. Discontinue use if irritation occurs. Suitable for all skin types; great for sensitive skin.
Other Details
Size: 30 ml / 1 fl oz
pH: 7.1
Cruelty-free
Vegan
Fragrance-free
Customer Reviews (4.9 / 5 · 43 reviews)
Riley N.★★★★★
My dullness is gone after just two weeks of using this — it sinks right in and doesn't pill under my moisturizer. The ectoin really makes a difference in calming down my redness, too.
Ruby O.★★★★★
My skin looks noticeably smoother and more even after just a few weeks, and the ectoin really seems to help with hydration without feeling sticky. I love that it’s a simple, no-frills formula that works well under makeup.
Ava★★★★★
I’ve been using this serum for about three weeks and the ectoin really seems to calm my redness after washing. It absorbs fast without that sticky feeling I get from other niacinamide products. Definitely a keeper for my morning routine.
Olivia★★★★★
My skin texture has smoothed out noticeably since I started patting this on before moisturizer — the ectoin ingredient really makes it feel calming, not sticky. I appreciate that a little goes a long way, the 30ml bottle lasts over two months with daily use.
David★★★★★
I've been using this for a few weeks now and the ectoin really seems to help calm redness after my morning shower. It sinks in fast without any sticky residue.
Daniel V.★★★★★
I’ve been using this serum for about three weeks now and my pores look noticeably smaller. The ectoin really seems to calm any redness I had, and it layers perfectly under moisturizer without pilling.
Thomas Q.★★★★★
The texture is surprisingly silky, not sticky like other serums I've tried, and the 5% niacinamide feels gentle yet effective. I’ve noticed my pores look smaller and my skin stays hydrated all day.
William★★★★★
My skin has been much calmer since I started using this—the ectoin really seems to help with redness. It layers beautifully under moisturizer without pilling or feeling sticky.
Ellie★★★★★
I’m combo/oily and this niacinamide serum layers beautifully under sunscreen without pilling. The ectoin really seems to calm the redness around my nose after a few days of use.
Steven R.★★★★★
I’ve been using this serum for two weeks and the ectoin really helps calm my redness without any irritation. It sinks in quickly and doesn’t pill under sunscreen, which is a huge plus for my morning routine.
