仙瑟保養小教室
Skincare Tips
What Is HPR? Next-Generation Retinoid & Vitamin A Guide
Learn what Hydroxypinacolone Retinoate (HPR) is, how it differs from common vitamin A derivatives, and how to introduce it gradually in daily skincare.
Morning C, Night A Myths: Do You Really Understand Vitamin C & A?
“Morning C, Night A” is a popular skincare approach that refers to using vitamin C in the morning and a vitamin A derivative or retinoid product at night. While this concept provides a simple framework for daily skincare, actual use should be adjusted according to the characteristics of each ingredient, your skin condition, and your sun-protection habits.