





FAQs
Q1. Can I use vitamin C serum on my face every day?
A: Yes, the CosIQ vitamin C face serum is ideal to incorporate into your daily skincare routine.
Q2. Can I leave vitamin C serum on my face overnight?
A: Yes, you may include the vitamin C brightening serum in your everyday PM skincare routine. Begin by cleansing your face with a CosIQ facial cleanser. Pat dry and apply vitamin C brightening serum. Follow it up with a good moisturiser if you feel the need.
Q3. How many drops of vitamin C serum to use?
A: Our vitamin C serum for dry skin is a powerful composition and one to two pumps of the serum are enough to show results. Apply it on dry skin and spread the serum using circular motions.
Q4: Can I skip moisturizer after vitamin C serum?
A: We recommend applying moisturiser after applying the vitamin C face serum if you feel the need to dilute.
Q5: What to avoid with vitamin C serum?
A: Here are a few things you must avoid when applying vitamin C brightening serum ;
- Avoid mixing the Vitamin C serum with Retinol or niacinamide. This is because both these products cancel each other’s effect. In some cases, it may even lead to skin redness.
- Skipping sunscreen after applying vitamin C brightening serum during the day. If you miss doing this the serum can oxidise and your skin tone may turn yellow, or orange.
- Not storing it in a cool dark place. Exposure to sun or heat can oxidise the vitamin C Serum.
Q6: How do I know if my vitamin C serum is working?
A: You will know if your vitamin C serum for dry skin is working from the visible improvement in your skin tone, skin brightening, and the appearance of a soft glow. There will be a reduction in blemishes, dark spots, and signs of ageing.