When it comes to incorporating Vitamin C into your skincare regimen, a prevailing query piques the interest of many: should I apply Vitamin C in the morning or at night? This question transcends simple preference; it delves into the intricacies of skincare layering and the timing of active ingredients for optimal efficacy. Considering the myriad of benefits that Vitamin C promises—such as brightening the complexion, combating oxidative stress, and promoting collagen synthesis—understanding the ideal application timing becomes paramount. Does the antioxidant power of Vitamin C work more effectively when exposed to the sun during daylight hours, or does it yield greater benefits when allowed to absorb overnight, free from environmental aggressors? Furthermore, how do individual skin types and concerns influence this critical decision? Could the synergy with other products applied at certain times of day alter its effectiveness? As the debate continues, one must ponder the nuances that could ultimately dictate the most advantageous approach.