Peter Thomas Roth Retinol Fusion PM Night Serum for skin with dark spots

Microencapsulated Retinol
Vitamins C
Squalane
Bisabolol
Cyclopentasiloxane
Average
- HighNormal Skin Fit
- AverageEffectiveness
- HighSafety
Works for skin with dark spots; other serums fit it better.
This fit is calculated for the concerns frequently associated with dark spots: hyperpigmentation, sun spots, and uneven skin tone. 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 treatment for minimizing fine lines and wrinkles due to the presence of retinol and tocopheryl acetate, which are beneficial for your normal skin type by regulating desquamation and providing antioxidant activity.
- While squalane and tocopheryl acetate offer general hydration and antioxidant support, they are not directly targeted at your main goal of pigmentation.
- The product is safe for your normal skin, with no risks of irritation due to the absence of harsh ingredients and the inclusion of soothing bisabolol.
How to apply
- Apply this serum as part of your PM routine starting 3x/week and build up to daily use if your skin likes it.
- Place the serum after cleansing and toning, but before your moisturizer.
- Gently press 2-3 drops of the serum into your skin and wait a minute for it to absorb.
- Apply the serum on dry skin to help fade pigmentation effectively.
- Avoid the eye area and always use SPF 30+ during the day.
People Say
★4.5Overall rating based on 4.7k+ reviewsBased on a very large amount of data, this retinol serum is highly regarded for its anti-aging effects, including smoothing fine lines and improving skin texture, with most users experiencing a radiant and refined complexion without irritation. Some users reported a lack of visible results or found the thin consistency and premium price point to be drawbacks.
Highlights
Non-irritating formula Mostly Mentioned
- “Zero irritation”
- “gentle but effective”
- “no peeling or flaking”
Reduces fine lines Often Mentioned
- “Smile lines fading”
- “fine lines disappeared”
- “wrinkles nearly gone”
Smoother texture Often Mentioned
- “Skin is softer”
- “smoother complexion”
- “refined skin texture”
Absorbs quickly Sometimes Noted
- “Soaks in quickly”
- “dries quickly”
- “silky smooth application”
Radiant complexion Sometimes Noted
- “Face is brighter”
- “skin is radiant”
- “luminous appearance”
High price point Sometimes Noted
- “Not worth it”
- “very pricey”
- “expensive for the results”
Lack of results Sometimes Noted
- “No visible changes”
- “did absolutely nothing”
- “no change in skin”
Oily feel Rarely Noted
- “Feels oily”
- “greasy application”
- “leaves residue”
Thin consistency Rarely Noted
- “Very, very watery”
- “feels like dry oil”
- “too thin”
Sources: lovi.care, peterthomasroth.com, ulta.com, dermstore.com, lovelyskin.com, macys.com, and more
Questions and answers
How well does Peter Thomas Roth Retinol Fusion PM work for skin with dark spots?
Peter Thomas Roth Retinol Fusion PM Night Serum works moderately well for skin with dark spots, as it provides helpful anti-aging and antioxidant benefits but lacks ingredients directly targeted at your main goal of pigmentation. To better address dark spots, a product of this type needs dedicated brightening ingredients like niacinamide and propolis along with effective antioxidants.
Which ingredients make this serum a good fit for skin with dark spots?
Microencapsulated retinol helps improve skin tone, though this serum lacks the targeted ingredients that make other products a stronger fit for dark spots. Skin with dark spots needs effective brightening antioxidants and soothing ingredients like niacinamide and propolis to fade discoloration safely.
What does Microencapsulated Retinol do for skin with dark spots?
Microencapsulated retinol helps fade dark spots and uneven skin tone by encouraging faster skin renewal. It is generally well tolerated, though it may occasionally cause mild peeling or redness.
American Journal of Clinical Dermatology, 2022American Journal of Clinical Dermatology, 2009
What does Vitamin C do for skin with dark spots?
Vitamin C helps fade dark spots and brightens uneven skin by slowing down the pigment production in your skin. It also protects against sun damage and supports smoother, more even-toned skin over time.
Where does this serum go in a skincare routine for skin with dark spots?
This treatment goes in the evening routine after cleansing and toning, and before moisturizing. Skin with dark spots needs products featuring targeted brighteners and tone-evening ingredients to effectively fade discoloration.
Can I use this serum with niacinamide, and in what order?
You can use this serum with niacinamide by applying niacinamide first after cleansing, letting it absorb, and then following with this treatment in your evening routine. This serum works for dark spots, but to truly fade them, this skin needs targeted brightening ingredients like vitamin C, kojic acid, or alpha arbutin.
How often should I use this serum?
You can use this treatment in your evening routine for simplicity and extra safety around sun exposure. This product of this type needs dedicated brightening ingredients like vitamin C or niacinamide to more effectively fade dark spots.
Can this serum clog pores, cause breakouts or purging for skin with dark spots?
This serum is unlikely to cause clogged pores or breakouts for your skin, though retinol may cause some initial purging as it speeds up skin renewal. A product for dark spots needs targeted brightening ingredients like vitamin C or niacinamide to effectively fade discoloration.
Is this serum fragrance-free and alcohol-free?
It has no fragrance and contains drying alcohol (alcohol).
What the research says
Topical 0.4% retinol significantly increased epidermal thickness, dermal vascularity, and extracellular matrix production by stimulating keratinocyte proliferation, endothelial cell proliferation, and fibroblast activation in naturally aged human skin compared to vehicle.
International Journal of Cosmetic Science, 2017Topical bakuchiol 0.5% applied twice daily compared with retinol 0.5% applied daily significantly decreased wrinkle surface area and hyperpigmentation with no statistical difference between the compounds in 44 patients over 12 weeks, while retinol users reported more facial skin scaling and stinging.
The British Journal of Dermatology, 2019Vitamin E in O/W and W/O emulsions significantly increased stratum corneum hydration and enhanced water-binding capacity, with an optimum concentration of 5%.
Arzneimittel-Forschung, 1998Co-encapsulation of alpha-tocopherol and alpha-tocopheryl acetate in nanostructured lipid carrier gel formulations significantly enhanced moisture retention up to 68% and improved skin elasticity in human volunteers compared to a solution gel.
Scientific Reports, 2025Silicone particles encapsulating retinol increased its half-life by 9-fold and yielded 12-23% lower skin irritation in human subjects compared to Microsponge particles while maintaining biological activity.
Journal of Controlled Release, 2018Topical stabilized retinol treatment induced HAS gene expression and increased hyaluronic acid production in human skin in vitro, ex vivo, and in vivo compared to vehicle.
Archives of Dermatological Research, 2017Topical application of all-trans-retinol induced epidermal thickening and increased retinoid binding protein expression similar to all-trans-retinoic acid in normal human skin, but without causing significant erythema or measurable retinoic acid levels.
The Journal of Investigative Dermatology, 1995Topical application of 5% vitamin C cream significantly improved global clinical scores, increased skin microrelief density, and induced elastic tissue repair in photoaged skin compared to excipient control in healthy female volunteers.
Experimental Dermatology, 2003Ascorbic acid 2-glucoside gel significantly reduced gingival melanin pigmentation after 4 weeks compared to placebo in 73 subjects with symmetric pigmentation.
Journal of Periodontology, 2009Topical application of VC-IP cream twice daily for 8 weeks reduces periorbital wrinkles in female subjects compared to a placebo cream.
Journal of Cosmetic Dermatology, 2022Squalane at 0.005-0.015% counteracts UVA-induced oxidative stress, inflammation, and collagen metabolism inhibition while stimulating fibroblast migration in human dermal fibroblasts.
Molecules, 2025Plant-derived squalane protected human dermal fibroblasts against UVA-induced damage by counteracting ROS formation, suppressing apoptosis-related proteins p53, caspase-3, caspase-9, and PARP, and restoring the pro-survival p-Akt/mTOR pathway.
Antioxidants, 2025Application of an alpha-bisabolol-containing cream produced a significant skin-lightening effect in pigmented skin compared to a vehicle control in the majority of female subjects after 8 weeks.
International Journal of Cosmetic Science, 2010The combination of allantoin, bisabolol, D-panthenol and dipotassium glycyrrhizinate reduces UVB-induced PGE2, inflammatory cytokines, and mitochondrial superoxide in human epidermal keratinocytes.
International Journal of Cosmetic Science, 2024
Why other serums fit skin with dark spots better
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, 2002Treatment with 14% ferulic acid and 12% l-ascorbic acid significantly reduced pigmentation and erythema while improving hydration and elasticity in 20 women with photoaged skin, with neither acid proving definitively more effective overall though ascorbic acid showed slightly greater skin lightening.
Dermatologic Therapy, 2022
Ingredients
Cyclopentasiloxane, Squalane, Water, Retinol, Tocopheryl Acetate, Ascorbyl Palmitate, Bisabolol, Lecithin, Potassium Phosphate, Pentylene Glycol, Polysorbate-20, Alcohol
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.
-

Co-founder, Medical Director
Cosmetic chemist, cosmetologist, aesthetic products developer
-

Co-founder, CEO and CTO
PhD in computer science, 3x US patent holder, ex-Google, ex-Yandex
-

Dr. Sofía Perea Pérez, MD, MSc
Medical Board
Aesthetic medicine practitioner, MSc in Longevity and Anti-Aging Medicine
-

Medical Board
Specialist dermatologist, MBBS, MD, IFAAD
-

Medical Board
Cosmetic chemist, SCS, IFSCC member
-

Medical Board, Medical Advisor
Dermatology MD
-

Elina Nazarenko, MD
Medical Board
Dermatology and diagnostic consultant
-

Victoria Derkova, MS
Medical Board
Cosmetic chemist, cosmetic development technologist
How does it fit your skin?
Scan your face, then any product: Lovi shows how well it fits you and what fits even better.