Coswin Black Hair Shampoo natural black hair in just ~5 minutes. 180ml

Marketed as a hair-coloring shampoo that gives natural black hair in just ~5 minutes. разработано с витамином B5 to repair and strengthen damaged hair, and claimed to provide 100% grey coverage with no skin staining Walmart.com+11Coswin.pk+11Facebook+11.

Contains noni fruit extract and other herbal actives—supposedly boosting hair volume, enhancing blood circulation, combating dandruff, and locking in moisture → nourishing your scalp and hair Coswin.pk.

The application is simple: wear gloves, wet hair, massage shampoo for 5–10 minutes,

While Coswin emphasizes being all‑natural and non‑toxic, note:

• Many color‑deposit shampoos use mild dye ingredients that can act similarly to semi‑permanent hair dyes—some may include paraphenylenediamine (PPD) or resorcinol and developer-like components, which can penetrate the hair shaft and may cause irritation or damage PMC+14Reddit+14Walmart.com+14AmazonInstagram+4Coswin.pk+4Facebook+4.

• Users report from Reddit communities that such shampoos can dry out the scalp or cause mild hair loss if used frequently, especially if your hair is already compromised Reddit.

• There's also broader concern about long-term use of coloring shampoos containing THB (trihydroxybenzene) and their possible effects on the scalp’s barrier integrity 

• No Stains – Clean, mess-free coloring!
  🚫 No Ammonia – Gentle on scalp & hair
  😌 No Tears – No burning, no irritation

  🌿 Enriched with herbal extracts
  🕒 Works in just 5 minutes
  🌧️ Long-lasting black coverage
  💯 100% Grey Hair Coverage
  🧴 Easy 1-step application – just shampoo & rinse