To use Lookfantastic Singapore promo codes, follow these steps: 1. Find the desired Lookfantastic Singapore promo code. 2. Add the chosen skincare, haircare, or makeup products to the shopping cart on the Lookfantastic Singapore website. 3. Proceed to the checkout page. 4. Apply the selected discount code before making the payment.
Remember, each promo code may have specific terms and conditions, so it's important to read those before applying the code. Enjoy shopping!