Ingredients that brighten post-inflammatory pigmentation, melasma, and dull skin tone. From azelaic acid to thiamidol.
99 ingredients in database · 76 with tier A/B evidence · 74 safe in pregnancy
Brightening ingredients act at different steps of melanin synthesis. The classic gold standard is hydroquinone 4%, but it is prescription-only and banned in EU cosmetics due to side effects and the risk of ochronosis. Among OTC options, azelaic acid 10–20% delivers the best evidence base: clinical trials in melasma show it performs on par with hydroquinone, and it is safe in pregnancy.
Thiamidol is a new selective human tyrosinase inhibitor by Beiersdorf. Head-to-head clinical work showed efficacy comparable to hydroquinone and nearly 100× the enzyme affinity of kojic acid. Tranexamic acid 2–5% topically or 500 mg orally is a strong option for stubborn melasma, especially combined with SPF and azelaic acid.
Vitamin C works in several forms. L-ascorbic acid is the most potent but unstable, needs pH 2.5–3.5 and dark packaging. Derivatives (sodium ascorbyl phosphate, tetrahexyldecyl ascorbate, ethyl ascorbic acid) are more stable but less active. Vitamin C brightens post-inflammatory pigmentation and reinforces photoprotection – the key morning pairing with SPF.
Arbutin, alpha-arbutin, kojic acid, and glabridin are gentler tyrosinase inhibitors. They work, but effects take 3–4 months of consistent use to show.
One rule to follow: any brightening routine is pointless without daily SPF 30–50. UV triggers new pigmentation faster than actives can lift what is already there.
3-O-Ethyl Ascorbic Acid
Stable vitamin C derivative. Better pH stability than L-ascorbic acid; penetrates skin and converts to the active form. Antioxidant and brightening effect.
Azelaic Acid
Naturally derived dicarboxylic acid with antibacterial, sebum-regulating, and depigmenting properties. One of the few prescription-grade ingredients considered safe in pregnancy.
Hydroquinone
The strongest topical depigmenting agent. Inhibits tyrosinase and exerts cytotoxic effects on melanocytes. Prescription-only in many countries.
Glycolic Acid
Alpha-hydroxy acid (AHA) with the smallest molecular weight in the group. Accelerates desquamation, evens skin tone and texture.
Niacinamide
Vitamin B3 form with a wide action spectrum: brightens pigmentation, strengthens the barrier, minimizes pores, and reduces sebum production.
Salicylic Acid
Beta-hydroxy acid (BHA) with lipophilic properties: penetrates sebaceous glands, dissolves plugs, and exerts anti-inflammatory effects.
Evigrade currently tracks 99 ingredients in the «brightening» category. Of those, 76 carry evidence tier A or B.
74 ingredients in this category are flagged as safe during pregnancy at typical cosmetic concentrations. 2 should be avoided. Always confirm the choice with an OB-GYN.
80 ingredients in this category show both low irritation potential and low allergen risk, making them safe even for reactive and sensitised skin. A patch test is still advisable before first use.
Start with a single high-evidence ingredient (tier A or B) at a low concentration, 2–3 times per week. After 2–3 weeks without reaction, frequency can be increased. Do not introduce two new actives at once – if skin reacts, you won't know which one caused it.
Other categories
Stable vitamin C derivative. Better pH stability than L-ascorbic acid; penetrates skin and converts to the active form. Antioxidant and brightening effect
Naturally derived dicarboxylic acid with antibacterial, sebum-regulating, and depigmenting properties. One of the few prescription-grade ingredients considered safe in pregnancy
The strongest topical depigmenting agent. Inhibits tyrosinase and exerts cytotoxic effects on melanocytes. Prescription-only in many countries
Alpha-hydroxy acid (AHA) with the smallest molecular weight in the group. Accelerates desquamation, evens skin tone and texture
Vitamin B3 form with a wide action spectrum: brightens pigmentation, strengthens the barrier, minimizes pores, and reduces sebum production
Beta-hydroxy acid (BHA) with lipophilic properties: penetrates sebaceous glands, dissolves plugs, and exerts anti-inflammatory effects
Retinoic acid – the most active topical form of vitamin A. A prescription drug and the gold standard for topical anti-aging and acne treatment
A patented brightening ingredient from La Roche-Posay (Mela B3 line). It targets hyperpigmentation by interfering with melanin transfer. The maker shows effect in its own trials; independent data are still limited
A brightening active. It inhibits the tyrosinase enzyme and helps even tone in hyperpigmentation. Well tolerated at cosmetic levels
An azelaic acid derivative. It soothes and supports an even tone of problem skin. Well tolerated
Alpha isomer of arbutin. An order of magnitude more active than beta-arbutin with the same safety profile. Modern lightening cosmetics standard
Natural glycoside derivative of hydroquinone. A skin-lightening agent that inhibits tyrosinase. Milder than hydroquinone, works on skin through gradual hydrolysis
Oil-soluble vitamin C derivative. More stable than L-ascorbic acid with better penetration through the lipid barrier. Converts to ascorbic acid inside the skin
A vitamin C derivative bound to a peptide. It supports an even skin tone and antioxidant defense and is more stable than pure ascorbic acid. Well tolerated
A synthetic peptide. The maker links it to soothing and an even skin tone; data are limited. Well tolerated
A stable vitamin C derivative. It supports antioxidant defense and even tone, gentler than pure ascorbic acid. Well tolerated
Proteolytic enzyme from pineapple stems. Breaks keratin bridges and delivers a light chemical-peel effect with an anti-inflammatory bonus
A synthetic hexapeptide. The maker links it to an even skin tone; data are limited. Well tolerated
A resorcinol derivative. It supports an even tone and smooths pigmentation; some people may experience irritation
Isoflavonoid from licorice root. Inhibits tyrosinase and suppresses inflammation. Main active in depigmenting products based on licorice extract
A water-soluble vitamin C derivative. It supports antioxidant defense and hydration. Well tolerated
A synthetic histidine-derived active. The maker links it to evening skin tone; independent data are limited. Well tolerated
An amino sugar, a precursor of hyaluronic acid. It helps retain water and even tone. Well tolerated
Polyhydroxy acid (PHA) – a gentle AHA alternative. Its large molecular size slows penetration, reducing irritation. Also hydrates through hygroscopicity
A plant alkaloid antioxidant. The maker links it to evening skin tone and free-radical protection; independent data are limited. Well tolerated
A brightening active. The maker links it to evening tone and UV protection; independent data are limited. Well tolerated
A glucosamine derivative. It draws water and helps even the skin tone. Well tolerated
Lipophilic derivative of salicylic acid with a caprylic (C8) chain. Unlike plain salicylic acid, it penetrates deeper into sebaceous gland openings thanks to its lipid solubility. Developed by L'Oreal and actively used in the La Roche-Posay Effaclar line. Targets comedones and post-acne marks more than inflammation
Byproduct of Aspergillus fungal fermentation. Chelates copper, inhibiting tyrosinase. One of the early depigmenting agents with proven efficacy
Stable water-soluble vitamin C derivative. Weaker antioxidant activity than L-ascorbic acid, but it spares sensitive skin and works at neutral pH
A parsley seed plant oil. It softens skin and helps even the tone. Well tolerated
AHA with a large molecule (bigger than glycolic acid). Penetrates skin more slowly, making it gentler. Suitable for darker phototypes where glycolic acid more often triggers post-inflammatory hyperpigmentation
AHA with dual action: acid exfoliation and moisturization via hygroscopicity. Gentler than glycolic acid
A salt form of vitamin C. An antioxidant that supports collagen and an even tone, more stable than pure ascorbic acid
Water-soluble stable vitamin C derivative. Skin phosphatase releases active ascorbic acid. Active at pH 7 – does not require acidic pH
Vitamin B3 in acid form. It helps even out tone and support the skin barrier. Well tolerated at cosmetic levels
Synthetic 9-amino-acid peptide – an α-MSH receptor inhibitor, a brightening component. Reduces melanin synthesis in melanocytes. Pregnancy-safe
A synthetic peptide. The maker links it to a more even tone and support for skin renewal. Well tolerated
Viniferine, an active in the grape-based Caudalie range. The maker links it to even tone and brightening; independent data are limited. Well tolerated
Proteolytic enzyme from papaya. Gently dissolves keratin of dead cells and works as a gentle alternative to acid peels
A colorless curcumin derivative. An antioxidant that soothes and supports even tone. Well tolerated
A stable curcumin derivative. It works as an antioxidant and helps even out skin tone. Well tolerated
Selective human tyrosinase inhibitor by Beiersdorf. Per the manufacturer data, 100 times more potent than kojic acid on the human enzyme
Synthetic lysine derivative. Suppresses plasminogen activation in keratinocytes, reducing prostaglandin synthesis and melanocyte activity
A synthetic brightening active. The maker links it to evening skin tone and working on dark spots; independent data are limited. Well tolerated
Fermentation product of Galactomyces fungi. Contains vitamins, organic acids, and enzymes. Popular in Asian skincare (Missha First Treatment Essence)
Yeast fermentation product containing amino acids, vitamins, and minerals. The core ingredient in SK-II Pitera. Moisturizes and evens skin texture
A vitamin K1 derivative. The maker links it to reduced bruising and dark circles; independent data are limited. Well tolerated
A plant flavonoid antioxidant. It helps soothe skin and brighten pigment marks under the eyes. Well tolerated
Antioxidant and melanin degrader, a hydroquinone alternative for stubborn melasma. The main practical downside is a sharp unpleasant odor
A brown-algae extract used in brightening formulas (Mela B3 line). The maker links it to a more even tone; independent evidence is still limited. Well tolerated
A diatom microalgae extract. The maker links it to UV protection and brightening; independent data are limited. Well tolerated
A mandarin peel extract with flavonoids. It tones and supports an even skin tone; some people may experience irritation
A tree peony root extract with antioxidants. It soothes and supports an even skin tone. Well tolerated
A rhubarb root extract with antioxidants. It soothes and supports an even skin tone. Well tolerated
A peony plant extract. It helps calm skin and even the tone. Well tolerated
A mulberry root plant extract. It helps even out tone and work on dark spots. Well tolerated
Artichoke leaf extract – a source of cynarine and chlorogenic acid. Antioxidant action, helps tighten pores. Pregnancy-safe
A bearberry extract with arbutin. It evens tone and softens dark spots. Well tolerated
A strawberry fruit extract with vitamin C and organic acids. It tones and supports an even skin tone. Well tolerated
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