Built for teen boys who push hardest and sweat most — Prep U's Carbon Deodorant is a deep-cleanse natural formula that goes further than standard mineral deodorants on high-exertion days. Activated charcoal physically adsorbs impurities, sweat residue, and odor compounds at the skin surface — the same adsorption chemistry used in detox skincare, applied directly to underarm odor control. Magnesium Hydroxide then neutralizes what remains by disrupting the bacterial environment that creates odor in the first place. No aluminum. No blocking. Just cleaner chemistry. Sodium Bicarbonate reinforces odor control through full-day wear. Plant-based waxes and conditioning oils deliver smooth, comfortable application with no residue and no white cast. Works well for all teen boys: Heavy sweaters: activated charcoal adsorbs sweat compounds standard deodorants miss Active teens: double-action formula handles post-sport odor without aluminum Sensitive skin: no parabens, no synthetic fragrance, no harsh chemicals All skin tones: zero white cast formula SkinSAFE Rated 91% — dermatologist-tested and free of the top skin allergens.