Good Molecules 5% Niacinamide Serum with Ectoin for mature skin
Niacinamide
Ectoin
GlycerinAverage
- HighNormal Skin Fit
- AverageEffectiveness
- HighSafety
Works for mature skin; other serums fit it better.
This fit is calculated for the concerns frequently associated with mature skin: fine lines, wrinkles, and loss of firmness. For scores and recommendations based on your full skin profile, including your 12D face scan results and any goals or preferences you have, please use the Lovi app.
Page built Nov 8, 2026How the Fit score works
Lovi Assistant explains
- Offers moderate pore-cleansing and skin-tone evening for your normal skin due to niacinamide, which improves texture and reduces blemishes, while ectoin provides antioxidant activity and barrier repair.
- Glycerin and niacinamide in moderate concentrations offer hydration and moisturizing effects beneficial for your wrinkles and fine lines.
- The product is safe for your normal skin, as it contains soothing ingredients like ectoin and lacks harsh or prohibited substances.
How to apply
- Use this serum in your PM routine. Start by applying it 3 times a week, and work up to daily use if your skin likes it.
- Apply this serum after your toner and before your moisturizer.
- Gently press 2-3 drops of the serum into your skin and let it absorb for a minute.
- You can apply the serum on dry skin for the best results against fine lines.
- Always do a patch test before your first use and avoid the sensitive eye area.
People Say
★4.7Overall rating based on 100+ reviewsBased on limited data, this serum is highly regarded as a gentle and hydrating option, particularly suitable for sensitive or reactive skin. Users frequently report improvements in skin texture, a reduction in redness, and minimized pores. The inclusion of Ectoin is noted for providing a plump and hydrated feel without the irritation sometimes associated with higher concentrations of niacinamide.
Highlights
Lightweight texture Mostly Mentioned
- “absorbs quickly”
- “super lightweight”
- “glides on like butter”
- “no greasy residue”
Gentle & non-irritating Often Mentioned
- “no stinging at all”
- “perfect for sensitive skin”
- “didn't cause redness like the 10% version”
- “calmed my reactive skin”
Hydrating & plumping Often Mentioned
- “skin feels plump”
- “adds an extra layer of hydration”
- “leaves skin baby soft”
- “hydrating without being heavy”
Improves texture & pores Sometimes Noted
- “pores look smaller”
- “smoother skin texture”
- “helped with oil control”
- “reduced forehead lines”
Slight stickiness Sometimes Noted
- “can be a little sticky”
- “barely tacky finish”
- “needs time to dry”
- “feels sticky if you use too much”
Breakouts Rarely Noted
- “broke me out”
- “caused small bumps”
- “clogged my pores”
- “worsened my acne”
Immediate irritation Rarely Noted
- “made my skin red and hot”
- “immediate burning sensation”
- “caused irritation”
- “skin turned red instantly”
Slow results Rarely Noted
- “didn't see much difference yet”
- “dark spots haven't faded”
- “takes time to work”
- “no overnight miracle”
Sources: lovi.care, ulta.com, beautylish.com, skinsort.com, youtube.com, and more
Questions and answers
How well does Good Molecules 5% Niacinamide Serum with Ectoin work for mature skin?
This serum works reasonably well for mature skin, helping to even skin tone, smooth fine lines, and keep the skin hydrated with niacinamide, ectoin, and glycerin. However, mature skin needs products of this type with higher concentrations of potent anti-aging ingredients, strong antioxidants, and extra peptides to smooth wrinkles and improve firmness even better.
The British Journal of Dermatology, 2002Journal of Cosmetic Dermatology, 2021
Which ingredients make this serum a good fit for mature skin?
Niacinamide, ectoin, and glycerin make this serum a good fit by providing hydration, smoothing fine lines, and protecting the skin barrier. A mature skin type needs a treatment with exceptionally safe, potent antioxidants, high-quality anti-aging ingredients, and peptides to deeply improve firmness, elasticity, and moisture retention.
The British Journal of Dermatology, 2002Journal of Cosmetic Dermatology, 2021
What does Niacinamide do for mature skin?
Niacinamide helps mature skin by smoothing out fine lines and wrinkles, reducing dark spots, and improving overall skin elasticity. It is also very well tolerated and supports a strong skin barrier to keep skin looking healthy.
What does Ectoin do for mature skin?
For mature skin, ectoin helps keep skin hydrated and smooth while supporting firmness and protecting against everyday damage. It helps improve moisture levels and preserves collagen, which is especially beneficial since mature skin tends to become dry and lose its bounce.
Where does this serum go in a skincare routine for mature skin?
This treatment goes in the evening routine after cleansing and before moisturizing, which keeps things simple and safe around sun exposure. Mature skin needs products of this type that also include hydrating ingredients like glycerin and soothing barrier helpers like ectoin and niacinamide to keep the skin feeling soft, smooth, and plump.
Can I use this serum with retinol, and in what order?
You can use this serum with retinol, applying the serum before your retinol product to help keep your skin calm and hydrated. A complete routine for mature skin needs extra nourishing and firming ingredients, such as peptides and antioxidants, to give your skin better anti-aging support.
How often should I use this serum?
You can safely use this serum in your evening routine, applying it after cleansing and before your moisturizer. It is gentle enough for daily use, but a product for mature skin needs extra wrinkle-smoothing and firming ingredients like retinols and peptides to work best.
Facial Plastic Surgery, 2014Journal of Cosmetic Dermatology, 2021
Can this serum clog pores, cause breakouts or purging for mature skin?
This serum is unlikely to clog pores or cause breakouts for mature skin, as it has a low risk of breakouts and uses soothing ingredients like ectoin. A product for mature skin needs balancing hydrators and barrier-repairing ingredients like glycerin and niacinamide to keep pores clear without feeling heavy.
Is this serum fragrance-free and alcohol-free?
Yes, it has no fragrance and no drying alcohol.
What the research says
Niacinamide significantly decreased hyperpigmentation and increased skin lightness compared with vehicle alone after 4 weeks of use in women by inhibiting melanosome transfer.
The British Journal of Dermatology, 2002Topical post-laser application of human adipocyte-derived mesenchymal stem cell media combined with niacinamide significantly improved wrinkle index, melanin index, patient satisfaction, and investigator esthetic improvement scores compared to vehicle cream in patients with aging skin.
Journal of Cosmetic Dermatology, 2021Treatment with a combination of niacinamide and hyaluronic acid improved skin aging signs and demonstrated a senomorphic effect by decreasing SASP and autocrine signaling genes in women.
Scientific Reports, 2024A single application of a moisturizing fluid containing hyaluronic acid 1%, glycerin 5%, and Centella asiatica stem cells extract significantly increased skin hydration by 29% and reduced transepidermal water loss at 24 hours compared to baseline and an untreated control site in twenty healthy women.
Clinical, Cosmetic and Investigational Dermatology, 2017Topical nicotinamide prevented solar-simulated UV-induced immunosuppression in healthy volunteers, and men experienced immunosuppression at solar-simulated UV doses three times lower than those required for women.
The Journal of Investigative Dermatology, 2008Topical 5% niacinamide applied twice daily for 12 weeks reduced fine lines and wrinkles, hyperpigmented spots, red blotchiness, and skin sallowness, and improved skin elasticity compared to vehicle control in 50 female white subjects with facial photoaging.
Dermatologic Surgery, 2005Topical 2% niacinamide significantly decreased sebum excretion rate in Japanese individuals and casual sebum levels in Caucasian individuals compared to placebo or baseline.
Journal of Cosmetic and Laser Therapy, 2006Combining ectoine and mannitol with UV filters significantly improved protection of squalene oxidation, catalase activity, and trans-UCA compared to UV filters alone in 10 subjects on irradiated areas.
Journal of Cosmetic Dermatology, 2024Topical 7% ectoine during serial 1064-nm Nd:YAG laser therapy produced a greater reduction in skin erythema, improved stratum corneum hydration, reduced transepidermal water loss, and decreased low-echogenic pixels in thirty participants compared to a vehicle control.
Biomedicines, 2026Regular application of a novel anti-ageing cream containing hyaluronic acid, ectoin, and botanical actives significantly reduced wrinkle depth and length in the periorbital area while demonstrating very good skin tolerance.
Polymers, 2023The emollient V0034CR significantly reduced TEWL compared to vehicle and vehicle plus glycerol, and significantly increased corneometry scores compared to vehicle and vehicle plus petrolatum in healthy volunteers with dry skin, demonstrating combined barrier function improvement from petrolatum and hydration improvement from glycerol.
Journal of Cosmetic Dermatology, 2020Ten days of treatment with a cream containing 20% glycerin significantly increased skin hydration measured by corneometer values in 17 healthy volunteers compared to a placebo cream, but showed no influence on transepidermal water loss or skin sensitivity to an irritating surfactant.
International Journal of Cosmetic Science, 2001Niacinamide/glycerin body moisturizers provided better rapid and prolonged improvement of cosmetic xerosis through functional improvement of stratum corneum barrier function compared to no treatment and conventional moisturizers in female subjects.
Journal of Drugs in Dermatology, 2012
Ingredients
Water, Niacinamide, Glycerin, Propanediol, Ectoin, 1,2-Hexanediol, Caprylyl Glycol, Xanthan Gum, Ethylhexylglycerin
Behind this fit score
Lovi calculates every fit score from the full ingredient list with brand-independent rules our dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update.
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Co-founder, Medical Director
Cosmetic chemist, cosmetologist, aesthetic products developer
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Co-founder, CEO and CTO
PhD in computer science, 3x US patent holder, ex-Google, ex-Yandex
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Dr. Sofía Perea Pérez, MD, MSc
Medical Board
Aesthetic medicine practitioner, MSc in Longevity and Anti-Aging Medicine
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Medical Board
Specialist dermatologist, MBBS, MD, IFAAD
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Medical Board
Cosmetic chemist, SCS, IFSCC member
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Medical Board, Medical Advisor
Dermatology MD
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Elina Nazarenko, MD
Medical Board
Dermatology and diagnostic consultant
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Victoria Derkova, MS
Medical Board
Cosmetic chemist, cosmetic development technologist
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