What Is Melasma?
Melasma shows up as brown or gray-brown patches, usually on your cheeks, forehead, upper lip, or chin. The patches tend to appear symmetrically. If you have one on your left cheek, there is likely one on your right.
It is more common in women, and it is strongly tied to hormonal activity. Pregnancy, birth control pills, hormone replacement therapy, perimenopause, and thyroid changes can all trigger or worsen it. UV exposure is the other major factor.
Research published in Pigment Cell and Melanoma Research [1]Â describes melasma as a photoaging disorder affecting people with a genetic predisposition. Hormones alone do not cause it.
You also need UV exposure and skin that responds strongly to both. This is why melasma can appear, fade, and return with hormonal shifts, and why it feels difficult to manage long-term.
A 2024 review published in Frontiers in Pharmacology [2]Â notes that melasma prevalence ranges from 1% in the general population to as high as 50% among high-risk groups including pregnant women and those using hormonal contraceptives.
Melasma vs. Hyperpigmentation vs. Age Spots: The Real Difference
These three are related but not the same.
Hyperpigmentation is the broad term. Any darkening caused by excess melanin production in a given area of skin. Melasma and age spots both fall under this category. So does post-inflammatory hyperpigmentation.
Post-inflammatory hyperpigmentation (PIH) follows injury or inflammation, a breakout, a scratch, a wound, or any irritation that triggers the skin's healing response. The darker your natural skin tone, the more intensely the mark tends to appear. PIH can affect any skin type at any age.
Melasma is triggered from the inside out. Hormones and UV working together on genetically predisposed skin. It is not a response to injury. It tends to return, especially after sun exposure or hormonal shifts. The symmetrical pattern on the face is a key visual signal.
Age spots (solar lentigines or sun spots) are purely the result of UV exposure accumulated over years. They appear scattered, not symmetrically. They do not fade and return the way melasma does. Without daily sun protection, they grow more defined over time.
The key distinction: all three involve overactive melanin production, but the triggers, timing, and behavior differ. Knowing which one you have leads you to the right approach.
When Does Each Type Show Up?
Teens and 20s. Post-inflammatory hyperpigmentation is most common at this stage. Breakouts leave marks. Ingrown hairs leave marks. The skin responds to inflammation by overproducing melanin as part of the healing process.
20s to early 40s. Melasma often first appears during this window, usually tied to a hormonal event: a pregnancy, starting or stopping birth control, or a thyroid shift. Women with deeper skin tones (Fitzpatrick types III through VI) often see it most intensely because their melanocytes are more active.
40s and beyond. Solar lentigines accumulate with decades of UV exposure. Melasma can persist or intensify during perimenopause as estrogen levels shift.
Market data from Grand View Research [3] reports that approximately 90% of people over 60 have some form of age spots. Melasma and PIH can still be active during this stage, sometimes all three types present at once.
What Nutrition Helps or Hurts
Your skin reflects what is happening internally. This is something I come back to often in the Sanbe Community because it connects directly to how this brand was born, out of a deeper look at gut health, inflammation, and skin.
Foods that support an even-looking complexion:
Vitamin C-rich foods (citrus, bell peppers, kiwi) provide antioxidant protection against the oxidative stress UV exposure creates. Research published in Cureus [4] confirms that antioxidants including vitamin C, zinc, and B12 support healthy melanin pathway regulation in skin cells.
Polyphenol-rich foods like green tea, berries, and dark leafy greens calm internal inflammation, which is one of the main drivers of PIH and uneven tone.
Zinc supports skin cell renewal. Folate and B12 help maintain healthy cell turnover. Omega-3 fatty acids from sources like walnuts and flaxseed help keep the skin barrier intact, which reduces inflammatory response.
Foods that can worsen uneven tone:
High sugar intake drives systemic inflammation. This worsens post-inflammatory marks and can make existing pigmentation appear more pronounced. Alcohol depletes antioxidant stores. Highly processed foods drive the same inflammatory cycle.
The gut-skin connection is real. When the gut is inflamed, the skin reflects it. Nutrition does not replace a targeted skincare routine, but it makes everything else work better.
Plant-Based Ingredients That Support the Appearance of Even Tone
Not all ingredients approach uneven tone the same way. Here is what the research supports and how each one maps to the Sanbe's Melasma Skincare Bundle.
Step 1: Rose Toner — Prep, Hydrate, Balance
The Sanbe's Rose Toner is your first step on clean skin.
Rose hydrosol visibly soothes and adds hydration. Licorice root extract has well-documented tone-supporting properties; it helps the complexion appear more even and brighter over time.
Green tea extract delivers antioxidant support that helps calm the appearance of redness and inflammation.
Willow bark extract gently refines texture and smooths the look of skin. Hyaluronic acid seals in hydration so subsequent products absorb more readily.
Apply directly to clean skin. No cotton pads needed. Pat or press gently.
Step 2: 10% Niacinamide Serum — Target Uneven Tone
Niacinamide works by reducing the transfer of melanin-containing particles from pigment-producing cells to surrounding skin cells.
Clinical research published in the International Journal of Cosmetic Science [5] showed visible reduction in facial spots over 4 to 8 weeks across clinical trials. It is one of the most well-studied, well-tolerated ingredients for improving the appearance of uneven skin tone.
A second study published in the Journal of Cosmetic Dermatology [6] found niacinamide improved skin brightness and the visible appearance of melanin accumulation with consistent use.
Sanbe's 10% Niacinamide Serum delivers this at a targeted concentration, without synthetic fragrance, in a clean formula.
Apply after the toner. Allow it to absorb before the next step.
Step 3: Anti-Aging Turmeric Cream — Calm and Nourish
Curcumin, the active compound in turmeric, works by inhibiting tyrosinase, the enzyme central to melanin production. A systematic review published in PMC [7] found that topical turmeric extract visibly reduced the appearance of facial hyperpigmentation and fine lines in clinical study.
Research from Frontiers in Pharmacology [8] further confirmed that curcumin targets key steps in melanin overproduction while supporting the skin's antioxidant defense.
Helichrysum italicum (immortelle) in this cream visibly calms the look of redness and supports a more refined, even-toned appearance over time.
The formula also includes squalane, avocado oil, grape seed oil, calendula, and tocopherol (vitamin E), all supporting a deeply nourished, healthy-looking skin surface.
Apply Sanbe's Anti Aging Turmeric Cream as your third step. It preps the skin for the final active.
Step 4: Vitamin C THDA Serum — Brighten Overnight
Vitamin C is an antioxidant that helps protect skin from the oxidative stress created by UV exposure, which is one of the root drivers of all three pigmentation types.
Applied topically, it visibly brightens the look of skin and supports a more even-toned complexion over time.
Research confirms that vitamin C derivatives directly inhibit tyrosinase and neutralize reactive oxygen species from UV exposure [9].
Sanbe Beauty's Vitamin C THDA Serum uses 20% THDA, a stable and well-tolerated form of vitamin C. It also contains neroli, clary sage, and bergamot.
If you are new to this routine, this serum is your last step at night.
Sun Protection Is Not Optional
None of the above works long-term without daily sun protection. UV exposure is one of the biggest drivers of all three pigmentation types. Mineral SPF 30 or higher, worn every morning, keeps new pigmentation from forming and stops existing marks from deepening.
If you use the Vitamin C THDA Serum at night and apply SPF every morning, you are covering both ends: protection during the day, visible support overnight. That consistency is what produces results.
Where to Start
If you are dealing with uneven tone, melasma, or dark spots and you want a clean, plant-based approach, the Melasma Skincare Bundle gives you a structured four-step system.
Rose Toner first. Niacinamide Serum second. Anti-Aging Turmeric Cream third. Vitamin C THDA Serum last, at night.
Every Sanbe product is made with 85% or more organic ingredients, formulated without synthetic fragrance, and made in Okinawa.
Still unsure where to start? Take the skin quiz to find the right routine for your skin.
Disclaimer: Sanbe Beauty products are cosmetics formulated with plant-based, organic ingredients. They are not intended to diagnose, treat, or cure any skin condition. All product descriptions reference visible, appearance-based results.
References
- Passeron T, Picardo M. Melasma, a photoaging disorder. Pigment Cell Melanoma Res. 2018;31(4):461–465. https://doi.org/10.1111/pcmr.12684
- Askarizadeh A et al. Different therapeutic approaches in melasma: advances and limitations. Frontiers in Pharmacology. 2024. https://doi.org/10.3389/fphar.2024.1337282
- Grand View Research. Hyperpigmentation Treatment Market Report. 2024. https://www.grandviewresearch.com/industry-analysis/hyperpigmentation-treatment-market-report
- Dutta RR, Kumar T, Ingole N. Diet and Vitiligo: The Story So Far. Cureus. 2022;14(8):e28516. https://doi.org/10.7759/cureus.28516
- Hakozaki T, Laughlin T, Zhao W et al. Synergistic effects of niacinamide and low pH on melanin synthesis, melanocyte function and hyperpigmentation. Int J Cosmet Sci. 2025. https://doi.org/10.1111/ics.70044
- Lee MS, Kim SJ, Lee JB, Yoo HS. Clinical evaluation of the brightening effect of chitosan-based cationic liposomes. J Cosmet Dermatol. 2022;21(12):6822–6829. https://doi.org/10.1111/jocd.15350
- Hollinger JC, Angra K, Halder RM. Are Natural Ingredients Effective in the Management of Hyperpigmentation? A Systematic Review. J Clin Aesthet Dermatol. 2018;11(2):28–37. https://pmc.ncbi.nlm.nih.gov/articles/PMC5843359/
- Frontiers in Pharmacology. Curcumin: a potential anti-photoaging agent. 2025. https://doi.org/10.3389/fphar.2025.1559032
- Liang Z et al. Targeting Melasma: Innovations in Pigment Deposition and Photoaging in Cosmetic Dermatology. PMC. 2025. https://pmc.ncbi.nlm.nih.gov/articles/PMC12783984/
