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Inside the spray

Exactly what goes into the itch and blister spray — and what it costs to source it, whether you're testing a small batch or gearing up for bulk.

Hand holding the TrackBite Buddy spray bottle in a forest, mist calming an itchy mosquito bite on an arm

A 100g batch makes the full spray: the calming base, the anti-blister barrier, and the cooling agent that stops the itch.

  • Witch Hazel & Distilled Water

    73.5g (64%)

    The calming liquid vehicle base. Witch hazel's tannins act as mild astringents that cross-link and strengthen the skin's surface proteins, while distilled water carries the rest of the formula.

    Split: 40g Witch Hazel · 33.5g Distilled Water

  • Dimethicone Fluid

    23.0g (20%)

    Forms a hydrophobic, cross-linked silicone mesh on top of the skin — a physical lubricant. The pulling forces of socks and shoes slide across this slick layer instead of dragging on your outer skin cells.

  • Polysorbate 80

    11.5g (10%)

    The emulsifier that keeps the oil and water completely blended, so the silicone mesh spreads evenly across the skin with zero gaps in the protection.

  • Glycerin

    5.8g (5%)

    A humectant that preserves the skin's cellular moisture balance, keeping the deeper living cells hydrated so they don't dry out, stretch, and split under pressure.

  • Menthol Crystals

    1.2g (1%)

    Chemically binds to and activates the TRPM8 cold receptors on the skin's nerve fibers, blocking the itch signal before it registers — while witch hazel mildly constricts local capillaries.

How it protects from blisters and itches

  1. 1. The chemistry

    Dimethicone replaces the skin's high-friction surface with a low-friction, cross-linked silicone layer, while witch hazel chemically firms up the skin's surface proteins.

  2. 2. The anatomy

    Because the surface can now slide freely, zero mechanical shear stress travels down to the fragile prickle-cell layer inside your skin. The cellular bonds never snap, so no gap opens up between skin layers.

  3. 3. The result

    With no tear for fluid to pool into, plasma can't build up into a blister — and menthol blocks the itch signal at the nerve level while witch hazel calms the area by gently constricting capillaries.