






What does the Havintha 10% Niacinamide Face Serum do?
Can I use this serum every day?
Is it suitable for all skin types?
Will it help with acne or acne marks?
Does it cause skin irritation or purging?
Can I use it with other skincare products?
When will I see visible results?
Can men use this serum too?
Is the serum fragrance-free and non-sticky?