25/08/2026
👉Dark Underarms? It May Be More Than Just Pigmentation 👀
Axillary (underarm) hyperpigmentation is common but the cause matters when deciding how to treat it.
Darkening of the underarms can be associated with:
✨ Friction and chronic irritation
✨ Shaving or hair-removal irritation
✨ Deodorants and other topical products
✨ Excessive sweating and moisture
✨ Post-inflammatory hyperpigmentation
✨ Thickening of the skin
✨ Hormonal or metabolic factors, including insulin resistance
✨ Certain skin conditions
If the skin is not only darker but also thicker, textured or velvety, further assessment may be appropriate before jumping straight to bleaching creams or laser treatments.
Treatment depends on the cause and may include:
• Reducing friction and irritation
• Managing excessive sweating
• Adjusting hair-removal or deodorant practices
• Retinoids or keratolytic ingredients for thickened skin
• Pigment-targeting skincare
• Addressing an underlying medical or metabolic condition when present
💡 The takeaway: Hyperpigmentation is a symptom — not a diagnosis.
If you've been treating dark underarms without improvement, it may be time to look at why the pigmentation is occurring in the first place.
📍 RemedyRealm | Sault Ste. Marie
Nurse Practitioner-led dermatology & skin health
