Yes, you can use resveratrol and ferulic acid with niacinamide. These ingredients can be beneficial for the skin when used together.

Resveratrol is a natural compound found in various plants, such as grapes and berries. It is known for its antioxidant properties, which help protect the skin from damage caused by free radicals. Resveratrol can also have anti-inflammatory effects and may help improve the appearance of aging skin.

Ferulic acid is another antioxidant that is commonly derived from plants like rice bran and oats. It has been shown to enhance the stability and efficacy of other antioxidants, such as vitamins C and E. Ferulic acid can also help protect the skin from environmental stressors and may have anti-aging benefits.

Niacinamide, also known as vitamin B3, is a versatile ingredient that offers numerous benefits for the skin. It helps improve the skin's barrier function, reduce inflammation, regulate sebum production, and even out skin tone. Niacinamide is also compatible with other ingredients and is generally well-tolerated by most skin types.

When used together, resveratrol, ferulic acid, and niacinamide can provide a synergistic effect, enhancing the overall benefits for the skin. However, it's always a good idea to perform a patch test before incorporating new products into your skincare routine to ensure compatibility and minimize the risk of any potential adverse reactions.