Hyperpigmentation in the armpits and groin affects the vast majority of women at some point in their lives, especially in countries with warm climates like Colombia. Despite how common it is, it remains a little-discussed topic — and that leads to using inappropriate products, aggressive treatments, or needlessly resigning oneself. Here's the real information on what works and what doesn't.
Why these areas darken more
The armpits and groin share characteristics that make them particularly prone to hyperpigmentation: they are areas of skin folds with constant friction, high temperature and humidity, and receive frequent microtraumas from hair removal. Every time the skin in these areas gets irritated, it responds by producing more melanin as a defense mechanism.
What doesn't work (or worsens the problem)
- Lemon or baking soda: they alter the skin's pH, irritate, and generate more hyperpigmentation due to the inflammatory reaction they cause.
- Bleach or chlorine products: they burn the skin and can cause permanent damage.
- Aggressive physical exfoliants: micro-abrasions in folded areas trigger more melanin.
- Lightening creams with hydroquinone without medical supervision: effective but with risks if used incorrectly and for a prolonged period.
What does work
The active ingredients with the most evidence for hyperpigmentation in folded areas are: enzymatic melanin inhibitors (plant extracts, niacinamide), gentle chemical exfoliants (salicylic acid in moderate concentrations), and hydrating active ingredients that repair the skin barrier damaged by friction and hair removal.
MAHU Depigmenting Toner: beyond the face
The MAHU Depigmenting Toner with Salicylic Acid works on armpits and groin. Salicylic acid, being fat-soluble, penetrates well into areas with higher sebum production like these. Apply with cotton before bed on clean, dry skin. Start 3 nights a week — if there's no irritation, switch to daily use. Visible results from week 4.
MAHU Intimate Cream: formulated for sensitive areas
The MAHU Intimate Cream is specially designed for the most sensitive areas of the body, including the groin and perianal area. Its hydrating formula with progressive depigmenting action reduces darkening caused by friction and hair removal. Apply in the mornings after showering. Also available in trial size: MAHU Mini Intimate Cream (30g).
Complete routine to depigment armpits and groin
- Shower: clean the area well with pH-neutral soap, not regular soap.
- Morning: apply MAHU Intimate Cream on the dry area.
- Night: apply the Depigmenting Toner with cotton on the areas to be treated.
- Always: wear loose cotton clothing to reduce friction during treatment.
How long does it take to work?
With consistent use, visible changes begin between week 3 and 6. Complete even tone can take 2-3 months depending on the depth of the hyperpigmentation. Consistency is key — results are not immediate but they are real.
All MAHU products are vegan, cruelty-free, and INVIMA registered. Formulated for Latin skin.