Detailed answer

Hyperpigmentation is a condition where certain areas of the skin become darker than the surrounding skin. This can happen due to various factors such as sun exposure, hormonal changes, or inflammation. It can appear as large patches or small spots on the skin and is usually a result of overproduction of melanin, the pigment that gives color to the skin. Hyperpigmentation can be seen in different forms such as melasma, age spots, or post-inflammatory hyperpigmentation.On the other hand, freckles are small, flat, light brown spots that are often genetic and most commonly appear on areas of the skin exposed to the sun, like the face, arms, and shoulders. Freckles are caused by an increase in the production of melanin in certain skin cells and are usually harmless. They are more common in people with fair skin and tend to darken with sun exposure.While both hyperpigmentation and freckles involve an increase in melanin, the main difference lies in the appearance and underlying causes. Hyperpigmentation is often larger in size and can be caused by multiple factors, while freckles are small, light brown spots typically caused by sun exposure and genetic factors. It is important to note that both hyperpigmentation and freckles can be managed and treated with various skincare treatments and preventive measures, including sun protection and targeted skincare products.