10 things ❌ to put on your skin Toothpaste Avoid using toothpaste on your face for blackheads or pimples; it can cause burns, infections, and skin irritation due to strong ingredients. Body lotion it can clog pores and cause acne. The artificial fragrances may trigger allergic reactions. Stick to facial skincare products instead. Vinegar Use caution with vinegar as a toner; it can become stronger over time and may burn your skin. Opt for commercial toners containing vinegar for safer application