1.

Clogged Pores
Heavy Makeup: Using heavy foundation and concealer can clog pores, leading to acne breakouts and blackheads.
Lack of Proper Cleansing: Not thoroughly removing makeup at the end of the day can cause residue to build up, blocking pores and causing skin problems.\
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2. Skin Irritation and Allergies
Harsh Chemicals: Many makeup products contain chemicals, fragrances, and preservatives that can irritate the skin, causing redness, itching, and rashes.
Allergic Reactions: Some ingredients can trigger allergic reactions, leading to swelling, hives, and other adverse effects.
3. Premature Aging
Oxidation: Some makeup products can oxidize on the skin, producing free radicals that damage skin cells and accelerate the aging process.
Dryness: Certain makeup formulations can strip the skin of its natural oils, causing dryness and fine lines.
4. Acne and Breakouts
Comedogenic Ingredients: Ingredients that are comedogenic (pore-clogging) can lead to breakouts, especially in individuals with oily or acne-prone skin.
Transfer of Bacteria: Using makeup applicators like brushes and sponges without proper cleaning can transfer bacteria to the skin, exacerbating acne.
5. Skin Discoloration
Pigmentation Issues: Continuous use of makeup can lead to hyperpigmentation or uneven skin tone, particularly if the products contain certain dyes or pigments.