Types of Dark Spots on the Face: A Guide to Identifying Each One

Dark spots on the face fall under the term hyperpigmentation: a localized accumulation of melanin, the pigment that gives skin its color and helps protect it from ultraviolet radiation.

Melanin is produced by melanocytes, cells located in the basal layer of the epidermis. Starting with the amino acid tyrosine, the enzyme tyrosinase initiates pigment synthesis, and the pigment is stored in small structures called melanosomes.

From there, melanosomes travel along the melanocyte's dendrites to neighboring keratinocytes, where they surround the cell nucleus and help protect cellular DNA. During epidermal renewal, which occurs at different rates depending on the area of the body, these keratinocytes move toward the surface, the melanosomes break down, and melanin is dispersed. This is how a suntan gradually fades naturally.

Dark spots can become visible when this process is disrupted. If melanocytes are excessively stimulated or melanosomes aren't broken down as expected, pigment may accumulate rather than being distributed evenly.

Common triggers include accumulated sun exposure, hormonal changes, inflammatory processes, oxidative stress, and pollution. In many cases, several factors contribute at the same time.

Also known as age spots or sunspots, these are flat spots ranging from light to dark brown, with well-defined borders and varying sizes. They appear on areas that receive the most sun exposure, including the face, neck, and backs of the hands.

Their appearance is associated with chronic sun exposure. In these areas, pigment distribution and breakdown may become disrupted, resulting in localized hyperpigmentation. The spots become more noticeable with age, even though the sun exposure accumulated long before, and they may intensify after periods of significant sun exposure or sunburn.

Melasma is recognized by its pattern: patches with irregular edges but a symmetrical distribution, typically appearing on the cheeks, forehead, upper lip, and chin.

It is primarily associated with hormonal factors, such as pregnancy or the use of contraceptives, and increased activity in pigmentation processes. Sun exposure intensifies its appearance, so it often becomes more noticeable during summer and may fade during months with less sun exposure.

Melasma is among the most persistent forms of hyperpigmentation and has a greater tendency to reappear. A vascular component is also involved in its development, which helps explain why it behaves differently from other dark spots.

This type appears after an inflammatory process or skin recovery, such as an acne breakout and blemishes, a wound, aggressive hair removal, or certain aesthetic treatments.

During an inflammatory response, changes in melanocyte activity may increase pigmentation in the affected area. The resulting mark often follows the shape of the original skin lesion and may appear brown or reddish, depending on skin phototype and the depth of the pigment.

It generally fades over time, although the process can take several months. Maintaining appropriate sun protection and avoiding picking at the affected area are important steps.

Freckles, also known as ephelides, are small, round, light-brown spots with a genetic basis that are more common in lighter skin phototypes. They darken with sun exposure and become lighter during months with less sun exposure, unlike solar lentigines. This is one of the easiest ways to tell them apart.

Other forms of hyperpigmentation may also be associated with photosensitizing medications or contact with perfumes and essential oils before sun exposure.

Three questions can help guide you before choosing a skincare routine.

Where is it located? A symmetrical pattern on the cheeks and forehead may be associated with melasma, while scattered spots on areas with accumulated sun exposure may be solar lentigines.

What shape does it have? Clearly defined edges and a rounded shape are common in lentigines and freckles; irregular patches are characteristic of melasma; and a mark following the shape of a previous skin lesion may indicate post-inflammatory hyperpigmentation.

When did it appear? After an acne breakout or wound, it may be post-inflammatory hyperpigmentation. Following pregnancy or contraceptive use, it may be related to melasma. If it developed gradually over the years, it may be solar lentigines or spots associated with photosensitivity caused by certain medications.

This guidance does not replace a medical diagnosis. Any spot that changes, bleeds, itches, or doesn't fit these categories should be evaluated by a dermatologist.

Caring for skin prone to hyperpigmentation requires looking beyond the visible spot. Pigmentation is a complex process involving several different mechanisms.

This approach forms the foundation of Pigment Therapy by Expert Lab, Germaine de Capuccini's professional and at-home skincare system designed to improve the appearance of dark spots through a comprehensive, personalized approach. Its 4-PATH SYSTEM technology is based on four complementary pathways involved in the pigmentation process.

Exfoliation. Acids such as lactobionic, succinic, shikimic, and glycolic acids, used in professional spa peels, promote exfoliation of the skin's surface and help remove surface cells containing accumulated pigment.

Synthesis. Hexylresorcinol and tranexamic acid are used in cosmetic formulas designed to visibly improve the appearance of dark spots and promote a more even-looking skin tone.

Transfer. Niacinamide, combined with N-acetylglucosamine and acetyl hexapeptide-1, is incorporated into formulas intended to care for uneven skin tone and visible discoloration.

Protection. Angelica root extract, plankton extract, and stearyl glycyrrhetinate are included in formulas designed to care for skin exposed to environmental factors and improve the appearance of uneven skin tone.

In a professional spa setting, the protocol allows treatment intensity to be adapted to each skin's condition and tolerance, combining professional care, an at-home skincare routine, and follow-up.

As part of a daily routine, Pigment Therapy extends professional care with two complementary formulas. The Dark Spot Diminish Concentrate combines HLG, a patented nanopolymer, with tranexamic acid, niacinamide, and growth factors (HGH + GM-CSF). The Dark Spot Emulsion contains tranexamic acid, niacinamide, hexylresorcinol, and ascorbyl glucoside, a stable vitamin C derivative.

Together, the two products form the brand's complete evaluated routine, recommended to complement their cosmetic benefits. They may also be recommended individually according to skin needs and the stage of care, following professional guidance.

No skincare routine aimed at improving the appearance of dark spots should overlook daily sun protection. Daily Hi-Defense Mineral SPF50 uses two mineral UV filters: next-generation zinc oxide, with ultrafine particles and an invisible finish, and titanium dioxide, which complements UV protection. Both are mineral sunscreen filters that act primarily at the skin's surface.

If you're pregnant or breastfeeding, consult a healthcare professional before beginning a new dark spot skincare routine.

Identifying a dark spot before choosing your routine helps ensure you're selecting appropriate skincare. If your spot resembles a solar lentigo or a post-inflammatory mark, cosmetic products for dark spots may be a starting point. If you suspect melasma, consult a dermatologist. And if you've recently spent a summer with significant sun exposure, explore our guide to dark spots after summer.