AHA (Alpha Hydroxy Acid)
BeautyRival – AHA is a gentle exfoliant that removes dead skin cells. This process reveals brighter and smoother skin. Common types include glycolic acid and lactic acid, which help reduce dullness, fine lines, and dryness. However, AHAs make skin more sensitive to the sun. Using them in the day increases the risk of sun damage and dark spots. The safest choice is to apply AHA at night. It works best while your skin repairs itself as you sleep.
BHA (Beta Hydroxy Acid)
BHA, such as salicylic acid, penetrates deeper into the pores. It clears oil, dirt, and buildup, making it ideal for acne-prone skin. BHA helps reduce blackheads, whiteheads, and breakouts. It also calms redness and inflammation. Since it exfoliates, skin becomes more sensitive to sunlight. That is why applying BHA at night is more effective. It clears and renews your skin while you rest.
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Retinol
Retinol is the top ingredient for anti-aging. It speeds up cell turnover and stimulates collagen production. This makes skin smoother, firmer, and more even in tone. Retinol, however, is very sensitive to light. Sun exposure weakens its effect and may cause irritation. The best time to apply retinol is at night. Always follow it with a moisturizer to prevent dryness. In the morning, apply sunscreen to protect your skin.
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Vitamin E
Vitamin E is a powerful antioxidant and moisturizer. It protects the skin from free radicals and repairs damage. With its rich texture, vitamin E works best at night. It absorbs deeply into the skin without leaving a heavy or greasy feeling. Overnight, vitamin E restores hydration and strengthens the skin barrier. By morning, your skin feels softer, smoother, and healthier.
Ceramide
Ceramides are natural lipids found in the skin. They lock in moisture and protect against external stressors. Over time, skin loses ceramides, which leads to dryness and sensitivity. Applying ceramides at night helps restore and strengthen the barrier. Since skin regeneration is most active while you sleep, ceramides work more effectively at night. The result is plump, hydrated, and resilient skin.
