Yes. Dermatology Exploration shows that heat can encourage melanin manufacturing without the need of UV injury. Warmth increases inflammatory and vascular signaling in the skin, which is enough to induce pigmentation, especially in melasma-susceptible and darker skin tones. While delayed post-summer months pigmentation is ordinary, selected conditions warrant Qualified session. https://nikitapatel.mystrikingly.com/blog/why-does-skin-pigmentation-increase-in-summer/i/view_as_owner