1. Allergic Reactions (Contact Dermatitis)

• Cause: Skin comes in contact with an allergen or irritant such as cosmetics, skincare products, soaps, detergents, or jewellry.
• Symptoms: Redness, itching, swelling, blistering, or peeling.
• Examples: Fragrances, preservatives, new skin care products or metals like nickel in jewelry.

2. Eczema (Atopic Dermatitis)

• Cause: Eczema is a chronic inflammatory skin condition often linked to genetics, environmental factors, or skin barrier dysfunction.
• Symptoms: Dry, red, itchy patches, commonly on the face, neck and folds of limbs
• Triggers: Stress, allergens, cold weather, and harsh skincare products.

3. Rosacea

• Cause: Rosacea is a chronic skin condition affecting the face, though the exact cause is unknown; possible triggers include sunlight, stress, alcohol, and spicy food.
• Symptoms: Redness, flushing, visible blood vessels, swelling, and acne-like breakouts.
• Triggers: Heat, sun exposure, alcohol, and spicy foods.

4. Acne

• Cause: Acne is due to the overproduction of oil, clogged pores, bacteria, and inflammation.
• Symptoms: Pimples (papules/pustules), whiteheads, blackheads, and cysts.
• Triggers: Hormonal changes, diet, stress, and some cosmetics.

5. Seborrheic Dermatitis

• Cause: Inflammation of oil-producing (sebaceous) glands, possibly related to yeast overgrowth.
• Symptoms: Red, scaly patches, often with greasy appearance; commonly affects the scalp but can also affect the face, especially around the nose, ears and eyebrows.
• Triggers: Cold weather, stress, and hormonal changes.

6. Psoriasis

• Cause: An autoimmune condition where skin cells multiply rapidly, leading to thick, scaly plaques.
• Symptoms: Raised, red patches with silvery scales.
• Triggers: Stress, infections, medications, and trauma to the skin.

7. Lupus (Systemic Lupus Erythematosus)

• Cause: An autoimmune disorder that can affect the skin.
• Symptoms: A characteristic “butterfly-shaped” rash across the cheeks and nose, often triggered by sun exposure.
• Triggers: UV light, infections, stress, and certain medications.

8. Perioral Dermatitis

• Cause: The exact cause is unknown, but it may be linked to overuse of topical steroids, toothpaste, or cosmetics.
• Symptoms: Red, bumpy rash around the mouth, sometimes spreading to the eyes and nose.
• Triggers: Overuse of topical steroids, skincare products, or hormonal changes.

9. Fungal Acne

• Cause: Fungal acne is due to the Malessezia furfur yeast infecting the skin.
• Symptoms: Acne-like spots which are often itchy. No whiteheads or blackheads seen. 
• Triggers: Warm, moist environments, sharing personal items, weakened immune system.