Green Tea (Camellia sinensis)

The leaf sitting in your kitchen has been solving hair problems since 2737 BC — most people just never used it right.

QUICK FACTS

Botanical Name — Camellia sinensis 
Also Known as — Green Tea
Origin — Southwest China
Used Since — ~2737 BC
Hair Type — All Hair Types

What Is Green Tea / Camellia sinensis?

Camellia sinensis — green tea — has been one of the most trusted herbs in traditional hair care for thousands of years. Most people know it as something they drink. What they do not know is that as a herb, infused directly into oil, it works on the scalp in ways that no cup of tea ever could.

Green tea leaves carry a dense concentration of polyphenols called catechins — and the most potent of these is EGCG (Epigallocatechin Gallate). This compound goes after the exact biological processes that cause hair to thin, fall, and stop growing. And it does it without any synthetic intervention.

In Ayurvedic hair care, Camellia sinensis is not a wellness ingredient added for label appeal. It is a working herb with a specific job — and that job happens at the follicle level, not on the surface.

What Makes It Actually Work?

EGCG is the reason green tea for hair delivers real results. A 2007 in vitro study published in Phytomedicine found that EGCG stimulates human hair follicle cell proliferation in lab conditions — making it one of the few plant compounds directly studied for this effect. Dormant follicles get activated. Active ones stay in the growth phase longer. More time growing, less time shedding.

Catechins do something most herbal ingredients cannot — they inhibit DHT at the scalp level. DHT is the hormone responsible for follicle miniaturisation, the slow shrinking of follicles that eventually leads to thinning hair. Catechins block the enzyme that converts testosterone into DHT — quietly, naturally, without side effects.

Tannins regulate sebum production and tighten scalp tissue. An oily, congested scalp is one of the most common and most ignored causes of hair fall. Tannins correct that environment before it becomes a problem.

Panthenol — naturally present in Camellia sinensis — penetrates the hair shaft and reinforces it from within. Less breakage, better elasticity, stronger strands.

Benefits of Green Tea for Hair

1. Stimulates Hair Growth — EGCG hair benefits are backed by direct lab research on human follicle cells. Active follicles, extended growth phase, denser hair over time.
   
   
2. Reduces Hair Fall — Catechins inhibit DHT — one of the primary hormonal causes of hair fall that most herbal ingredients simply do not address.
   
   
3. Controls Dandruff and Oily Scalp — Tannins balance sebum and keep the scalp environment clean without stripping it. Less buildup, fewer flare-ups.
   
   
4. Protects Against Environmental Damage — Pollution, UV exposure, hard water — all generate free radicals that damage follicle cells over time. The antioxidants in green tea neutralise them before they cause lasting harm.
   
   
5. Strengthens Every Strand — Panthenol works from inside the hair shaft — reducing splits, improving flexibility, making hair more resistant to everyday breakage.

Why It Works Better in Oil

A green tea rinse sits on the surface and washes away before it can do anything meaningful. EGCG and catechins are fat-soluble compounds — water cannot carry them past the scalp barrier.

Oil can.

When Camellia sinensis is infused into a warm carrier oil and massaged into the scalp, these compounds are delivered directly into the follicle — where they activate growth, block DHT, and protect cells from oxidative damage. This is not a modern discovery. Oil-based herbal infusions have been the delivery method of choice in Ayurveda for centuries — because fat carries actives deeper than any rinse ever will.

Green Tea in Kiyo Beauty's Ayurvedic Hair Oil

Green tea is one of the 20 herbs in Kiyo Beauty's Ayurvedic Hair Oil. Its role in the formula is specific — antioxidant protection, follicle activation, and DHT control at the scalp level. It works alongside Bhringraj, Brahmi, Amla, Neem, and 16 other herbs — each with a different job, at a different layer of the scalp and strand.

Green tea's job is protecting what is already there, while quietly encouraging what has stopped growing.

No synthetic DHT blockers. No chemicals. Just a herb doing what it has always done.