Bundle 4: Serum 2, primer, apple cider vinegarProduct details: When combined as part of a skincare regimen, our calming serum, apple cider vinegar, and anti redness primer work to cleanse the oil from your skin, reduce the swelling and counteract the redness. Calming Serum 2 We've designed this calming, lightweight serum to target the symptoms of sensitive skin including acne rosacea, aka rosacea type 2. This serum relieves facial redness, swelling, excess oil and bumps. Anti Redness Primer Apply