To address and reduce the appearance of dark spots left by pimples, here are some recommendations: Topical Treatments: Hydroquinone: This is a skin-lightening agent that can help fade dark spots. Use under the guidance of a dermatologist, as it can be irritating for some skin types. Vitamin C: A serum containing vitamin C can help brighten the skin and reduce pigmentation over time. Retinoids: Products containing retinoids (like tretinoin) can promote cell turnover and help fade dark spots. Azelaic Acid: This can help even out skin tone and is often well-tolerated. Exfoliation: Chemical Exfoliants: Use products with alpha hydroxy acids (AHAs) or beta hydroxy acids (BHAs) to gently exfoliate the skin and promote cell turnover. Avoid Physical Scrubs: These can be abrasive and may worsen pigmentation or irritate the skin. Sun Protection: Sunscreen: Apply a broad-spectrum sunscreen with at least SPF 30 daily to prevent dark spots from becoming more pronounced due to sun exposure. Consultation: If over-the-counter treatments are not effective, consider consulting a dermatologist for professional treatments such as chemical peels, laser therapy, or prescription-strength creams. Consistency: Be patient and consistent with your skincare routine, as fading dark spots can take time. These steps can help reduce the appearance of dark spots and improve your overall skin tone.