Of Course. Dermatology study demonstrates that warmth can promote melanin production with no UV injury. Warmth increases inflammatory and vascular signaling within the skin, which is sufficient to cause pigmentation, specifically in melasma-susceptible and darker skin tones. Pigmentation generally seems months following summertime simply because melanin creation triggered by UV https://drnikitapatel.blogspot.com/2026/05/why-does-skin-pigmentation-increase-in.html