CALECIM Professional Serum – Pure, potent and powerful. This is CALECIM's most concentrated PTT-6® formula, with no filler actives — just the stem cell–derived proteins, growth factors and exosomes that turn any routine into a treatment-grade step. Widely used in clinics after microneedling, lasers, RF and peels to support comfort and reduce the appearance of redness and puffiness during recovery. Contains the highest concentration of PTT-6® in the CALECIM line Optimizes results after microneedling, laser, radiofrequency and chemical peel treatments Calms and soothes the look of sensitized skin, with a soothing sensation typically felt within 15 minutes of application Improves the appearance of fine lines, wrinkles, uneven tone and post-blemish marks with daily use Layers under any moisturizer or treatment to support the look of smoother, renewed skin Who benefits? Ideal for anyone undergoing in-clinic resurfacing or needling treatments who wants to keep skin comfortable and looking its best through recovery, and for daily users who want the most concentrated PTT-6 step available. Suitable for all skin types including sensitized and post-procedure skin. The serum is naturally pink from a phenolsulfonphthalein pH indicator used to monitor the integrity of the active proteins — discard if the color changes. Store below 91°F. Cosmetic product; these statements have not been evaluated by the FDA and this product is not intended to diagnose, treat, cure or prevent any disease or condition.