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Beauty should not be toxic. We are the first wholesale supplier to strictly adhere to the GB/T 41637-2022 National General Technical Specification for safety.
The "Itchy Scalp" is often a chemical burn. Low-quality wigs are frequently processed in harsh alkaline baths and contain dangerous levels of formaldehyde to force a shine.
As a vendor, you aren't just selling hair; you are responsible for your client's health.
Typical "Cheap" Wig Alkalinity (Irritant)
Banned Aromatic Amines often found in black dyes.
Human skin is naturally acidic (pH ~5.5). Wearing highly alkaline hair causes irritation, dryness, and breakage.
According to GB/T 41637-2022, we enforce a strict pH balance.
*Strictly complying with Standard GB/T 41637-2022 Table 1.
We test for restricted substances to ensure our wigs are safe for daily wear and medical use.
| Substance | National Limit (GB/T 41637) | Yarahair Result | Status |
|---|---|---|---|
| Formaldehyde | ≤ 75 mg/kg | Not Detected | PASS |
| Carcinogenic Dyes | Banned (Forbidden) | Not Detected | PASS |
| Heavy Metals (Pb, Cd) | Strict Limits (e.g., Cd < 0.1mg/kg) | Below Detection Limit | PASS |
| Odor | No Abnormal Odor | Neutral / Clean | PASS |
Synthetic or mixed hair can melt and stick to the scalp during accidental ignition. Our human hair is self-extinguishing.
Tested via Vertical Burn Method (GB/T 33731-2017).
Standard: Damaged length ≤ 150mm
After-flame Time: 0.0 seconds
Result: Flame self-extinguishes immediately upon removal of ignition source. Ash residue.
Standard: Burns completely.
After-flame Time: > 10.0 seconds
Result: Continues to burn. Synthetic mixes produce molten drips that can cause severe burns.
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