Traditional soap is made when oils or fats are mixed with lye through a chemical reaction called saponification.

While the lye is supposed to be neutralized during this process, the finished soap bar still naturally has a high pH, often around 10.

Healthy skin is much lower, usually around pH 5 to 6, so using high-pH soap can disrupt the skin’s acid mantle and moisture barrier, which may lead to dryness, tightness, and irritation.

When the first ingredient reads sodium cocoate, sodium tallowate, sodium palmate, or simply saponified oils, it reveals a harsh, alkaline base that strips your skin’s natural barrier and leads to dryness. Whether that bar sells for a $1 or $30, the cost to make it is the same—just cents on the dollar.

We chose a different path. HARP’s pH-balanced syndet cleanser is crafted with sodium cocoyl isethionate. This requires professional level precision, not shortcuts—designed to respect your skin, not disrupt it. Because true quality isn’t about the price tag; it’s about the science and integrity behind every bar.

HARP’s cleanser base is built on Sodium Cocoyl Isethionate — a premium, pH-balanced syndet trusted by cosmetic chemists for its exceptional gentleness.

This isn’t the kind of formula that can be mixed in a bathtub or mass-produced for pennies. It’s crafted with precision, using ingredients chosen for performance, not shortcuts.

Look it up — we’re confident you’ll never go back to traditional soap again.

HARP develops soap-free, pH-balanced cleansing bars that respect your skin’s natural barrier. Made in the USA with responsibly sourced botanicals and dermatological expertise, HARP offers a modern skincare essential that's simple, effective, and grounded in science.

Science-Driven Benefits & Certifications

  • Cruelty Free
    Leaping Bunny–certified cruelty-free. Free from PFAS, parabens, sulfates, and preservatives.
  • Vegan
    HARP’s Sodium Cocoyl Isethionate and Stearic Acid formula is 100% vegan.
  • RSPO certified
    Sustainably sourced through an RSPO-certified supply chain.
  • ISO certified
    Meets ISO 16128:2017-2 natural and organic standards.
  • No SVHC substances
    Free from VOCs and any substances classified as carcinogenic, mutagenic, or toxic to reproduction.
  • Made in America
    Crafted with care, quality, and a commitment.
Cruelty Free
Leaping Bunny–certified cruelty-free. Free from PFAS, parabens, sulfates, and preservatives.
Vegan
HARP’s Sodium Cocoyl Isethionate and Stearic Acid formula is 100% vegan.
RSPO certified
Sustainably sourced through an RSPO-certified supply chain.
ISO certified
Meets ISO 16128:2017-2 natural and organic standards.
No SVHC substances
Free from VOCs and any substances classified as carcinogenic, mutagenic, or toxic to reproduction.
Made in America
Crafted with care, quality, and a commitment.

Make the switch, we're confident you'll never go back