YOU SHOULD NOT BE TREATED IF YOU: Are pregnant or breastfeeding or in women who are breastfeeding, has not been studied. Have hypertrophic scarring or keloid formation. Have evidence of scars at the treatment sites. Have acne or other diseases of the skin. Have allergic history including allergic reactions, heightened immune responses to allergens, allergy to hyaluronic acid products, and allergy to lidocaine. Have acute skin disease, such as seborrheic dermatitis or rosacea. Are under concomitant anticoagulant therapy. If you are younger than twenty you should not be treated with Revanesse dermal filler.   It’s not recommended to use Revanesse with a laser, intense pulsed light, chemical peeling or dermabrasion treatments, or with over-the-counter or prescription wrinkle products within 4 weeks prior to treatment, as there is a risk of inflammation at the treatment site.