Our bryght professional line was made by professionals for professionals to reduce hyperpigmentation. when used as a system it can correct uneven skin tone, reduce unwanted discoloration, and diminish the appearance of dark spots. it can be used anywhere externally on the body including intimate and delicate areas without disturbing the natural ph. All natural, cruelty-free vegan ingredients that contain no: silicones, parabens, hydroquinone, mercury, fragrance, kojic acid, colorants.  Approx 240 uses per 4oz bottle, cost per treatment $2+ Contents the bascis kit contains: -4 step professional bryght system-let there be lyght led wand (with charger, operational manual, 1 year warranty card)-wrap your wand sanitary wrap-Digital training manual (5,000 words! Hyperpigmentation! Contraindications! Oh my!) - Includes offer to list your business on our retailer map* some conditions apply. Absolutely everything you need to offer professional bryght treatments. This package includes our full bryghtening system for backbar.  Tips Our bryght professional line is designed to work synergistically together to obtain professional lyghtening results. These products will deliver optimal results with this entire package.   Upsell Step 1 and Step 4 as an add-on to your existing spa menu by using Step 1 as a Natural Numbing and Step 4 as a Soothing Mask for redness, inflammation and histamine reactions. Say you charge $10 for this add-on, and you get approx 240 uses out of a bottle, that's an extra $2,400 for Step 1 and $2,400 for Step 4! Acid Levels Step 2: Salicylic acid 0.100% 70% Glycolic acid 0.010% 88% Lactic acid 0.100% Step 3: Ascorbic Acid Vit C 0.150% 88% Lactic Acid 0.100%