Caffeine is good for the eye area. It can reduce dark circles and puffiness, improve cellulite, and reduce redness, inflammation, and the appearance of sunspots, fine lines, and wrinkles.
BHAs are exfoliators that can improve acne, dark spots, and texture. They are safe for most people, but not those with sensitive skin or who are pregnant.
Benzoyl peroxide is an effective treatment for acne and oily skin. It is available in 2.5% concentration, which is less irritating than higher concentrations.
Azelaic acid is a versatile ingredient that can help with acne, redness, and pigmentation. It is safe to use morning and night.
Argan oil is a non-comedogenic facial oil that provides hydration and locks in moisture.
The antioxidants that Hartman considers necessary for any skin-care routine are vitamin C, vitamin E, ferulic acid, vitamin A, resveratrol, and niacinamide.
AHAs are exfoliators that can improve acne, dark spots, and texture. Use at night and follow with sunscreen.
Aloe vera is a calming and soothing ingredient that can help with sunburn and stressed skin.
Ceramides are an important ingredient in moisturizers that help keep skin hydrated and protected.
Glycerin is a humectant that draws water into the skin, making it a great ingredient for hydrating serums and moisturizers.