Acne
Acne is a skin condition that can appear in the form of whiteheads, blackheads, and pimples. It usually develops during adolescence and may continue into adulthood due to hormones that increase oil production. The overproduction of this oil can trap bacteria in the glands and cause acne, most commonly on the face, chest, and back.
Actinic Keratosis
Actinic keratosis presents as small, rough, scaly patches that may be red, pink, or brown. These lesions are caused by UV damage and are considered precancerous, with potential to develop into skin cancer if untreated.
Becker's Nevus
Becker’s nevus is a benign, well-defined pigmented skin lesion that primarily affects men. It typically appears on the upper body and may become thicker or hairier over time.
Bowen's Disease
Bowen’s disease is an early form of squamous cell carcinoma caused by sun exposure. It appears as a slowly enlarging red patch with irregular borders and a scaly or crusted surface.
Cafe-Au-Lait Spots

Light brown birthmarks that are usually harmless but may sometimes be associated with underlying conditions.
Cherry Angiomas
Small red or purple vascular growths made up of tiny capillaries near the skin’s surface.
Freckles
Flat light brown or red spots caused by concentrated melanin, often darkened by sun exposure.
Hemangiomas
Benign vascular tumors filled with blood that may appear red or bluish.
Hirsutism
Excessive hair growth in women in areas where mature hair is usually minimal or absent.
Hyperhidrosis
Excessive sweating that may occur even without heat or exertion.
Hypertrophic Scars
Red, raised scars that stay within the boundary of the original wound.
Keloid Scars
Raised scars that grow beyond the original wound boundary and may be itchy, painful, or textured.
Keratosis Pilaris
A common hereditary condition causing rough bumps on the skin, often called “chicken skin.”
Melasma
Melasma is a form of hyperpigmentation that appears as brown or gray patches, typically on the face. It is often triggered by hormonal changes and sun exposure.
Milia
Milia are small cysts formed by trapped keratin beneath the skin’s surface. They appear as tiny white or yellow bumps and are common in newborns and adults with sensitive skin.
Poikiloderma
Poikiloderma is a benign condition involving skin discoloration, thinning, and visible blood vessels, most commonly on the neck.
Port-Wine Stains
Red or purple birthmarks caused by malformed capillaries.
Pseudofolliculitis Barbae
Inflammation from ingrown hairs caused by shaving.
Pyogenic Granulomas
Small red growths that may ooze or bleed and often grow quickly.
Rhinophyma
A form of rosacea that causes swollen, bumpy changes to the nose and cheeks.
Rosacea

Rosacea is a chronic skin condition that causes redness, visible blood vessels, and sometimes acne-like bumps, typically on the face.
Scars

Skin marks caused by collagen buildup during wound healing.
Sebaceous Hyperplasia
Small yellowish bumps caused by enlarged sebaceous glands.
Seborrheic Keratosis
Seborrheic keratosis is a noncancerous skin growth that appears as a waxy, brown, black, or tan lesion with a slightly raised texture.
Skin Tags
Skin tags are small, benign growths that hang off the skin and commonly appear in areas of friction such as the neck, armpits, and groin.
Solas Lentigines
Solar lentigines, commonly called age spots or sun spots, are flat, well-defined tan to dark brown patches that appear on sun-exposed areas such as the face, hands, shoulders, and chest. They result from cumulative UV exposure and are benign, though they are a visible marker of photoaging.
Spider Veins
Small red, purple, or blue vessels visible near the skin’s surface.
Stretch Marks (Striae)
Stretch marks are a type of scarring caused by rapid stretching of the skin. They appear as red or purple lines that fade over time and are common in areas where fat is stored.
Sturge-Weber Syndrome
A rare congenital condition often associated with port-wine stains and neurological symptoms.
Sun Damage
Skin damage from UV exposure that may cause wrinkles, sun spots, discoloration, and skin cancer risk.
Sun Burns
Tissue burns caused by overexposure to UV radiation.
Syringomas
Small skin-colored or yellowish bumps caused by benign sweat duct tumors.
Telangiectasia

Small visible red, purple, or blue veins, often found on the face or legs.
Varicose Veins
Enlarged veins caused by faulty valves that allow blood to pool.
Venous Lake
A soft, dark blue papule usually found on sun-exposed areas such as the lips, face, or ears.
Vitiligo

A skin condition that causes loss of pigment and irregular pale patches.
Wrinkles
Wrinkles are lines and creases in the skin that develop as a natural part of aging and from sun exposure. They are most noticeable on the face, especially around the eyes, mouth, and forehead.