Prolonged Hair | Independent Testing & Documentation

Prolonged Hair maintains comprehensive documentation covering independent testing, sourcing, manufacturing, quality-control standards, and product claims.

These records are maintained as confidential company documentation. Original materials, supporting data, and proprietary information are not publicly disclosed to protect intellectual property, commercial confidentiality, and the privacy of involved parties.

Verification requests are considered individually. Access may be granted exclusively to approved, qualified parties under strict written confidentiality agreements, subject to applicable third-party permissions and restrictions.

Our documentation is maintained for accountability and verification, not public distribution.