Dear, Klairs All-day Airy Sunscreen for skin with dark spots

How to apply

Questions and answers

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, 2002

• A topical formulation containing panthenol, niacinamide, and dipotassium glycyrrhizate increased skin hydration by 74.1% and reduced transepidermal water loss by 13.5% at 28 days compared to baseline and untreated control in 35 individuals with xerosis.

  Journal of Cosmetic Dermatology, 2026

• Topical treatment of nicotinamide, alone or in combination with other active ingredients, reduces the progression of skin aging and hyperpigmentation in clinical trials while being well tolerated.

  Antioxidants, 2021

• Topical dexpanthenol acts as a moisturizer, improves stratum corneum hydration, accelerates wound healing and epidermal regeneration, reduces erythema, and improves symptoms of skin irritation compared to vehicle or no pretreatment.

  American Journal of Clinical Dermatology, 2002

• Topical 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, 2021

• Topical 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, 2008

• Topical 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, 2005

• A cream combining propolis, tea tree oil, and Aloe vera reduced erythema scars, acne severity index, and total lesion count better than erythromycin cream in sixty patients with mild to moderate acne vulgaris compared to placebo.

  Clinical Pharmacology, 2018

• Topical aloe vera gel significantly accelerated split-thickness skin graft donor-site healing compared to placebo in 12 patients, but showed no significant difference in pain relief.

  Plastic and Reconstructive Surgery, 2018

• Topical application of Aloe vera cream reduced postoperative pain at rest and during defecation, accelerated wound healing at two weeks, and decreased analgesic requirements in patients after open hemorrhoidectomy compared to placebo.

  Journal of Alternative and Complementary Medicine, 2010

• Topical purslane at 5% and 10% concentrations achieved alleviation of symptoms and lesion remission comparable to topical 0.1% triamcinolone acetonide in 34 subjects with oral lichen planus over 90 days.

  BMC Oral Health, 2023

• Facial masks containing low-temperature extracted Portulaca oleracea protect sensitive skin from photothermal stimulation and improve skin barrier function during photorejuvenation.

  Cutaneous and Ocular Toxicology, 2025

• Portulaca oleracea extract ameliorated skin barrier damage and inflammation induced by combined exposure to glycolic acid and UVB in HaCaT cells.

  Cutaneous and Ocular Toxicology, 2022

• Moisturizer containing 5% panthenol, madecassoside, and copper-zinc-manganese decreased adverse reactions and downtime after ablative fractional carbon dioxide laser resurfacing with comparable efficacy to 0.02% triamcinolone acetonide cream in 20 subjects.

  Journal of Cosmetic Dermatology, 2019

• Topical dexpanthenol formulated in lipophilic vehicles improved stratum corneum hydration and reduced transepidermal water loss compared to vehicle control in humans.

  Arzneimittel-Forschung, 2000

• Hyaluronic acid, hyaluronic acid plus dexpanthenol, and isotonic saline nasal sprays all significantly improved dry nose symptoms over four weeks in 240 patients, with hyaluronic acid plus dexpanthenol providing superior nasal moisturisation compared to the other two.

  Auris, Nasus, Larynx, 2020

• Combining 755 nm alexandrite laser with topical licorice gel significantly reduces terminal hair counts compared to alexandrite laser with placebo in women with idiopathic hirsutism.

  Evidence-based Complementary and Alternative Medicine, 2015

• Licochalcone A activated Nrf2 signaling, elevated cytoprotective enzymes, increased the reduced-to-oxidized glutathione ratio, and decreased reactive oxygen species in human fibroblasts and neutrophils, while a LicA-rich licorice extract lowered UVA-induced oxidative processes in vivo.

  Experimental Dermatology, 2015

• Bioactive glycyrrhizic acid and oxymatrine ionic liquid self-assembled nanomicelles significantly promoted the transdermal permeation, subcutaneous retention, and anti-photoaging efficacy of palmitoyl pentapeptide-4 in cellular and animal models compared to unformulated peptide.

  Advanced Science, 2025

Ingredients

Water, Dibutyl Adipate, Butyloctyl Salicylate, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Polysilicone-15, C12-15 Alkyl Benzoate, Ethylhexyl Triazone, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Polymethylsilsesquioxane, Glycerin, Niacinamide, Polyglyceryl-6 Stearate, Cetearyl Olivate, Microcrystalline Cellulose, Panthenol, Silica, Sorbitan Olivate, Dipropylene Glycol, Hydroxyacetophenone, Poly C10-30 Alkyl Acrylate, Polyglyceryl-6 Behenate, Allantoin, Caprylyl Glycol, Stearyl Alcohol, Glyceryl Stearate, Acrylates C10-30 Alkyl Acrylate Crosspolymer, Tromethamine, Adenosine, Cetearyl Alcohol, Disodium Edta, Butylene Glycol, Portulaca Oleracea Extract, Aloe Barbadensis Leaf Extract, Dioscorea Japonica Root Extract, Laminaria Japonica Extract, Viola Mandshurica Flower Extract, Ulmus Davidiana Root Extract, Dipotassium Glycyrrhizate, Lepidium Meyenii Root Extract, 1,2-Hexanediol, Lycium Chinense Fruit Extract, Strawberry Fruit Extract, Berberis Vulgaris Extract, Morus Nigra Fruit Extract

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.