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레티놀 제품이 탄력에 도움이 되는군요
They say it is okay to use retinol products in the morning if you apply sunscreen with SPF 30 or higher thoroughly.
According to research, protecting the skin with a broad-spectrum sunscreen that blocks UVA and UVB allows retinol (Vitamin A), Vitamin C, and Vitamin E to work much more stably and effectively on the skin.
You can understand retinol as playing a role in helping maintain youthful and elastic skin, while sunscreen acts as a shield to prevent signs of aging.