Hyperpigmentation and Melasma:
Brown Spots on the Skin Explained

Brown spots

Brown spots on the skin, also known as pigmentation marks, are the result of hyperpigmentation due to excessive or irregular production of melanin. Melanin is the pigment that gives our skin its color, produced by cells in the epidermis called melanocytes. These melanocytes are stimulated by the sun's UV rays.

These melanocytes are stimulated by the sun's UV rays. Skin spots on the face, such as brown spots on the skin or brown spots on the hand, often appear as a result of this increased stimulation of melanocytes.

This disturbance in melanin production leads to an accumulation in specific areas, forming small brown spots on the skin that contrast with the lighter color of the surrounding skin.

The Different Types of Brown Spots on the Skin

  • Lentigos, or age spots, are the most common brown spots on the skin. They are generally round, light in color, and begin to appear with age, usually from the forties onwards. These brown spots on the skin can also appear on the hands, forming brown spots on the hands that are often a sign of aging.
  • Melasma, also known as "pregnancy mask", is hyperpigmentation caused by hormonal imbalance. It can occur as a result of pregnancy or the use of birth control pills. However, certain factors can aggravate this type of skin blemish, such as prolonged exposure to the sun and naturally dark skin. Brown spots on the skin, typical of melasma, are often more visible on the face.
  • Freckles, which are generally hereditary, are macules located on the epidermis. Infants are not born with freckled skin. They appear after exposure to UV rays during childhood. Melanin is the pigment that gives our skin its color, produced by cells in the epidermis called melanocytes. These freckles can also appear on the hands, becoming hand brown spots.

    These melanocytes are stimulated by the sun's UV rays. Skin spots on the face, like brown spots on the skin or brown spots on the hand, often appear due to this increased stimulation of melanocytes.
  • Freckles, which are generally hereditary, are macules located on the epidermis. Infants are not born with freckles on their faces. They appear after exposure to UV rays during childhood. Melanin is the pigment that gives our skin its color, produced by cells located in the epidermis, called melanocytes.

    These melanocytes are stimulated by the sun's UV rays. Facial skin spots, such as brown spots on the skin or brown hand spots, often appear due to this increased stimulation of melanocytes. Post-inflammatory brown spots appear following local inflammation, caused by acne pimples, scars or other irritation.

    They are particularly common on brown skin and can lead to hyperpigmentation after sun exposure.These brown spots on the skin can form on the face and hands, creating brown spots on the hands and face that persist long after the initial inflammation has healed.
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