Perricone MD's Acne Relief Calming Treatment & Hydrator glides onto the skin to provide gentle hydration and nourishment while getting rid of acne-causing bacteria. Lactic and succinic acids encourage good bacteria for a clearer, more radiant complexion while citrulline and squalane fight irritation, calm, soothe and visibly reduce redness. Key Ingredients: Citrulline: first discovered in watermelon, is an alpha-amino acid that visibly calms skin for a clearer, more even-looking complexion. Nourishing and soothing, it is an ideal way to counteract the drying effect of anti-acne ingredients Niacinamide: also known as Vitamin B3, is found in foods such as tomatoes. This skin-clearing powerhouse helps to gently and visibly erase imperfections, unclog oily pores and minimize the redness and uneven tone that can be left behind after breakouts Lactic and Succinic Acids: short-chain fatty acids that help quickly shrink blemishes by working alongside salicylic acid to attack acne-causing bacteria and encourage good bacteria necessary for a healthy microbiome. They also provide gentle yet effective exfoliation Squalane: found naturally in the human body but also can be derived from olive oil. It hydrates the skin without making it look or feel greasy. This lightweight hydration is ideal for oil and acne-prone skin as it helps maintain optimal hydration Key Benefits: Gently kills acne-causing bacteria Nourishes with essential hydration Hydrates, soothes and visibly reduces redness Tip: The Calming Treatment & Hydrator is Step 2 in your day or morning regimen, after cleansing. When dispensing the Acne Relief Calming Treatment & Hydrator, take the product from the glass pipette to avoid back wiping on the bottle. | Perricone MD Acne Relief Calming Treatment Hydrator, 2 fl. oz | Dermstore