Hydroquinone is a strong brightener, but prescription-only and temperamental. The good news: there are gentle alternatives without hydroquinone. The two most useful are alpha-arbutin and tranexamic acid, and they work differently.
Alpha-arbutin is a derivative of hydroquinone and a tyrosinase inhibitor: it slows melanin production gently and with less irritation. Tranexamic acid is especially good on melasma, because it targets the vascular-inflammatory pathway rather than pigment alone. Both need sunscreen.
01Alpha-arbutin
Arbutin is the "gentle relative" of hydroquinone: it inhibits the enzyme tyrosinase, slowing melanin production, and it also has antioxidant properties. In studies its brightening effect is comparable to hydroquinone, but it is more easily tolerated. It is good for maintaining results and keeping pigment in check.
02Tranexamic acid
Tranexamic acid is interesting in that it works not only on melanin but on the vascular-inflammatory pathway — which is largely responsible for the persistence of melasma. So on melasma it is often more effective than "just brightening" products. Topically it is usually applied up to twice a day, and can be combined with other pigment correctors.
Arbutin or tranexamic
Alpha-arbutin
- Mechanism
- Slows melanin production
- Best for
- General pigmentation, maintenance
- Advantage
- Gentle, without hydroquinone
Tranexamic
- Mechanism
- Quenches the triggers of melasma
- Best for
- Melasma, stubborn pigmentation
- Advantage
- Works where ordinary brighteners fall short
03How to use
- Introduce them one at a time and gradually, assessing tolerability.
- Both combine well with niacinamide, azelaic acid, vitamin C.
- With sensitive skin, start with tranexamic every other day.
- Sunscreen is essential — otherwise the pigment returns.
04Common questions
Is arbutin safer than hydroquinone?
Arbutin is a derivative of it and is usually tolerated more gently, with less irritation. It is a convenient over-the-counter alternative for long-term use, though it is milder in strength.
Can I use arbutin and tranexamic together?
Yes, they work by different mechanisms and complement each other well — especially with melasma. Introduce them one at a time, to track tolerability.
05What to try
Alpha-arbutin 2%
Gentle pigment control.
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The article's key points draw on peer-reviewed publications:
- Topical α-arbutin with sunscreen in facial melasma — tyrosinase inhibitor, antioxidant, fewer side effects. PMC, 2025.
- Best practices in the treatment of melasma — tranexamic acid, vascular-inflammatory pathway. JAAD, 2023.
- Postinflammatory Hyperpigmentation review — arbutin among tyrosinase inhibitors. PMC, 2010.
This material is educational and does not replace a consultation with a dermatologist. Oral tranexamic acid is prescribed only by a doctor.