REN Clean Skincare ClearCalm Non-Drying Acne Treatment Gel for mature skin
Salicylic Acid
Willow Bark Extract
Sandalwood Oil
Thymus Vulgaris Oil Leaf
Chlorella Vulgaris ExtractAverage
- 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 exfoliation and pore decongestion for your normal skin, as salicylic acid and lactic acid work to clear pores and refine texture, while glycerin provides essential hydration. This formula is highly suitable for normal skin due to the keratolytic action of these acids and the humectant properties of glycerin.
- While effective for acne concerns, the product lacks specialized ingredients to directly target your primary goal of addressing wrinkles and fine lines, offering only general skincare benefits.
- The safety profile is excellent, with no risks of irritation for your normal skin due to the absence of prohibited or harsh ingredients.
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
★4.1Overall rating based on 100+ reviewsBased on limited data, this treatment is praised for its gentle, non-drying formula that effectively reduces redness and inflammation without causing flaking. It is excellent for sensitive skin and preventing new breakouts, though some users find it works too slowly on active blemishes compared to stronger alternatives.
Highlights
Non-drying & gentle Mostly Mentioned
- “skin feels calmer”
- “doesn't flake or clump”
- “no irritation or sensitivity”
Reduces redness Often Mentioned
- “redness reduced”
- “soothed skin”
- “calms throbbing pimples”
Pleasant texture Sometimes Noted
- “cooling sensation”
- “serum-like texture”
- “absorbs fast”
Works under makeup Sometimes Noted
- “makeup does not flake”
- “seamless under makeup”
- “invisible on skin”
Slow or weak results Sometimes Noted
- “hardly doing anything”
- “didn't fully clear spots”
- “spots appeared reduced but not gone”
High price point Rarely Noted
- “quite expensive”
- “small tube for the price”
- “price point is stark”
Medicinal scent Rarely Noted
- “medical scent”
- “smells like chemicals”
- “herbal smell”
Rare irritation Rarely Noted
- “burning sensation”
- “increased redness”
- “tingled upon application”
Sources: lovi.care, cultbeauty.co.uk, influenster.com, lovely.com, reddit.com, averysweetblog.com, and more
Questions and answers
How well does REN ClearCalm Non-Drying Acne Treatment Gel work for mature skin?
This product works for mature skin, but other products fit it better because it lacks ingredients to target wrinkles and fine lines while clearing blemishes. Treatments that fit mature skin better need high concentrations of potent antioxidants, hydrating components, and skin-repairing ingredients to smooth fine lines while keeping skin calm and healthy.
Journal of Cosmetic Dermatology, 2024BioMed Research International, 2020
Which ingredients make this treatment a good fit for mature skin?
This treatment clears pores with salicylic acid and lactic acid while keeping your skin soft with glycerin, though mature skin also needs potent antioxidants and skin-repairing ingredients to smooth fine lines and wrinkles.
Clinical, Cosmetic and Investigational Dermatology, 2017Journal of Cosmetic Dermatology, 2024
What does Salicylic Acid do for mature skin?
Salicylic acid helps smooth and firm mature skin by boosting collagen and elasticity while reducing roughness and wrinkles. It is unlikely to cause irritation when used correctly, but this skin type also needs extra hydrating ingredients to stay soft and plump.
What does Willow Bark Extract do for mature skin?
Willow bark extract helps smooth out fine lines and makes rough, mature skin feel much softer. It works by gently improving skin texture and reducing the visible signs of aging with regular daily use.
Where does it go in a skincare routine for mature skin?
This treatment goes in the evening routine, as treatments with active ingredients are placed in the PM for simplicity and extra safety around sun exposure. Because this product lacks specialized ingredients to directly target wrinkles and fine lines, mature skin needs a routine that also includes firming peptides, antioxidants, or retinoids.
Can I use this treatment with retinol, and in what order?
You can use this treatment alongside retinol, but it is best to apply retinol in your evening routine and this treatment at a different time or on alternating nights to prevent dryness and irritation. This type of product needs added firming ingredients and rich moisturizers to properly care for mature skin.
How often should I use it?
Start using this treatment once a week in the evening, and if your mature skin tolerates it well and sees good results, you may carefully use it more often. A product of this type needs specialized anti-aging ingredients like retinoids, peptides, and antioxidants to smooth fine lines and address mature skin concerns.
Can this treatment clog pores, cause breakouts or purging for mature skin?
This treatment is unlikely to clog pores or cause irritation for your mature skin, as it features a safe formula designed to clear pores without harsh ingredients. However, because it contains salicylic acid and lactic acid, it may cause mild initial purging as it works to clear out your pores. Mature skin of this type also needs ingredients like peptides, antioxidants, or retinol to help smooth wrinkles and firm the skin.
Journal of Cosmetic Dermatology, 2024BioMed Research International, 2020
Is it fragrance-free and alcohol-free?
It contains fragrance (farnesol) and drying alcohol (alcohol denat).
What the research says
A 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, 2017Twice daily application of a multitargeted dermocosmetic cream provided comparable efficacy to benzoyl peroxide 5% gel in reducing inflammatory, non-inflammatory, and total lesions in 150 Caucasian subjects with mild-to-moderate acne over 56 days, while demonstrating superior skin tolerability.
Journal of Cosmetic Dermatology, 2024A moisturizer containing licochalcone A, 1,2-decanediol, L-carnitine, and salicylic acid significantly reduced noninflammatory, inflammatory, and total acne lesion counts compared to a vehicle control in Thai patients during a 12-week maintenance phase.
BioMed Research International, 2020The use of a salicylic acid-based dermocosmetic significantly reduces the needed quantity of benzoyl peroxide without impacting efficacy in mild to moderate acne, and as maintenance post-benzoyl peroxide allows a significant reduction of acne relapse compared to vehicle.
Journal of Drugs in Dermatology, 2023Cryotherapy with liquid nitrogen achieved a higher cure rate (39%) than salicylic acid (24%) and a wait-and-see approach (16%) for cutaneous warts at 13 weeks in primary care patients.
CMAJ, 2010Treatment with 2% supramolecular salicylic acid hydrogel resulted in a regression and markedly improvement rate of 51.01% compared to 43.10% for Adapaline gel in patients with mild to moderate facial acne vulgaris, showing no significant difference in efficacy.
Journal of Cosmetic Dermatology, 2024Topical 5% benzoyl peroxide plus salicylic acid achieved the greatest lesion reduction at early 2 to 4 week time points compared to benzoyl peroxide, clindamycin, and combination benzoyl peroxide/clindamycin, while 5% benzoyl peroxide plus salicylic acid and combination benzoyl peroxide/clindamycin showed similar efficacy at 10 to 12 weeks in acne patients.
Journal of the American Academy of Dermatology, 2010A botanical face cleanser with hops and willow bark extract continuously reduced skin sebum levels without reactive seborrhea after treatment in 21 healthy volunteers compared to a sodium laureth sulfate cleanser, with neither cleanser causing skin irritation.
Journal of Cosmetic Dermatology, 2019Bioactive lipid nanocarriers co-loaded with willow bark or ivy leaf extracts and UV-filters provided pronounced UVA photoprotection up to an SPF-equivalent value of 13 and a maximum in vivo skin hydration effect of 97% when prepared with pomegranate oil.
Nanomaterials, 2022A topical serum containing 0.5% salicin applied twice daily reduced visible signs of skin aging, including wrinkles and tactile roughness, in 30 female subjects over 12 weeks compared to baseline.
Journal of Cosmetic Dermatology, 2010Topical East Indian sandalwood oil applied twice daily resulted in complete resolution of molluscum contagiosum lesions in 90% of subjects within twelve weeks without side effects.
The Journal of Dermatological Treatment, 2018A 3D-printed sodium alginate-gelatin-Santalum album oil hydrogel scaffold demonstrated antibacterial activity, improved fibroblast viability, and enhanced full-thickness wound healing with reduced scar formation in rat models compared to control groups.
International Journal of Pharmaceutics, 2025Melasolv application twice daily for 12 weeks significantly reduced the melanin index and improved the size and color intensity of pigmented spots in Southeast Asian women compared to placebo.
Journal of Cosmetic Dermatology, 2021Gel-phosphatidylcholine-thymol-loaded nanostructured lipid carriers increased skin hydration, decreased water loss, and reduced skin sebum in healthy volunteers compared to baseline.
International Journal of Pharmaceutics, 2024Thyme oil encapsulated in PLGA nanoparticles and formulated as a hydrogel demonstrates excellent antibacterial, antioxidant, anti-inflammatory, and wound-healing properties suitable for treating inflammatory skin disorders such as acne vulgaris.
Gels, 2024Lipid extracts of Chlorella vulgaris and Arthrospira platensis protect Normal Human Dermal Fibroblasts against UVA-induced oxidative stress and 2-propanol-induced IL-6 expression in vitro.
Food Science and Technology International = Ciencia Y Tecnologia de Los Alimentos Internacional, 2026Oral and topical administration of ROQUETTE Chlorella sp. at higher doses significantly reduced skin inflammation scores and improved the healing process and duration of skin wounds in mice compared to untreated models.
Anti-inflammatory & Anti-allergy Agents in Medicinal Chemistry, 2014Resilient factor (RF, an aqueous extract fraction of Chlorella) suppressed PMA- and UVB-induced MMP1 production, protein, and gene expression, prevented UVB-suppressed elastin protein, and increased pro-collagen mRNA expression in human skin fibroblasts compared to untreated controls.
European Journal of Dermatology, 2008
Why other serums fit mature skin better
Topical application of retinol and retinoic acid both increased epidermal thickness and upregulated collagen genes and proteins in human skin, with retinol producing similar histological and molecular changes to retinoic acid alongside a significant reduction in facial wrinkles after 12 weeks.
Journal of Cosmetic Dermatology, 2016A topical serum containing vitamin C, vitamin E, and raspberry leaf cell culture extract improved skin color, elasticity, radiance, smoothness, scaliness, and wrinkles compared to the untreated contralateral side in fifty female volunteers.
Journal of Cosmetic Dermatology, 2020
Ingredients
Water, Alcohol Denat, Glycerin, Xanthan Gum, Pinus Pinaster Bark Extract, Salicylic Acid, Caprylyl Capryl Glucoside, Salix Nigra Bark Extract Willow Bark Extract, Xylitylglucoside, Anhydroxylitol, Sodium Benzoate, Xylitol, Propanediol, Sandalwood Oil Wood, Potassium Sorbate, Sodium Cocoyl Glutamate, Glucose, Citric Acid, Glyceryl Caprylate, Polyglyceryl-6 Oleate, Thymus Vulgaris Oil Leaf, Chlorella Vulgaris Extract, Sodium Surfactin, Lactic Acid, Sodium Lactate, Farnesol
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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