How should I incorporate this into my morning routine, especially regarding sun protection?

In your morning routine, apply the BISOU Multivitamin Face Cream-Serum to cleansed skin on the face, neck, and décolleté. The product is designed to absorb quickly, leaving a velvety finish that serves as an excellent base for makeup. However, because the formula contains Vitamin C and Vitamin A derivatives, it is crucial to follow up with a broad-spectrum sunscreen during the day. These ingredients can make the skin more sensitive to UV light, and while Vitamin C offers antioxidant protection against pollution and sun damage, it does not replace the need for physical UV blocking.

Using this product without adequate sun protection may reduce its effectiveness and potentially lead to increased sensitivity. The cream-serum format is particularly useful in the morning as it provides hydration and antioxidant defense without feeling heavy under foundation or SPF. For evening use, you can apply it after cleansing and toning to help repair and nourish the skin overnight, taking advantage of the skin's natural regeneration process while the vitamins work to even out tone and refine texture.