Hair serum · Leave in

Root Activate Hair Serum

Biotin & Rosemary

Write a review

Inclusive of all taxes · 50 ml

A lightweight scalp serum built around a signature blend of biotin and rosemary, made for a regular hair ritual. With consistent use, hair looks stronger and fuller.

  • Hair looks stronger and fuller
  • Cares for the scalp
  • Lightweight, non-greasy finish

Size

50 ml

1

  • Made in‑house in Kerala
  • UPI, cards and netbanking
  • 10% off your first order

Pairs well with

Indigo and rosemary, for the wash before

Indigo and rosemary, for the wash before

·

The Kerala Hair Ritual Set: Root Revive Hair Oil, Calm Wash Shampoo and Deep Repair Hair Mask

MAKE IT A RITUAL

The Kerala Hair Ritual Set

Root Revive the night before, Calm Wash in the morning, Deep Repair once a week.

Root Revive the night before, Calm Wash in the morning, Deep Repair once a week.

Root Revive the night before, Calm Wash in the morning, Deep Repair once a week.

You save ₹290

What's inside

Rosemary, with biotin.

A light, water-based serum with rosemary oil, biotin (vitamin B7) and pro-vitamin B5.

Rosemary

Rosemary

A fragrant Mediterranean herb, distilled for its clean, green oil.

How to use

A few drops, straight to the scalp.

  1. Drop

    Apply a few drops to the scalp using the dropper.

  2. Massage

    Massage gently into the scalp.

  3. Leave in

    No rinsing needed.

For external use only. Patch test before use.

Not sure this is right for your hair? Take the three-question quiz.

Find your ritual

More for your hair

You may also like

Clear Scalp Hair Serum

·

Grape seed & Neem

Deep Repair Hair Mask

·

Macadamia & Olive

Rich Tone Hair Mask

·

Indigo, Henna & Amla

Root Grow Shampoo

·

Indigo & Rosemary

Root Activate Hair Serum

tharu

Hair, face and body care, made in Kerala. From Sarwaa, since 2010.

JOIN THE THARU CIRCLE

10% off your first order and a free Praana Signature soap (20 g). Then first word on new batches.

© 2026 Tigi Sarwaa Ventures Private Limited. Formulated and made in‑house in Kerala.

Tharu is a brand of Tigi Sarwaa Ventures Private Limited. Registered office: 1 USRA 15/196, Rohitham, Udarasiromani Road, Thiruvananthapuram, Kerala 695010. GSTIN 32AALCT7174J1ZX. CIN U55101KL2025PTC092981.

tharu

Hair, face and body care, made in Kerala. From Sarwaa, since 2010.

JOIN THE THARU CIRCLE

10% off your first order and a free Praana Signature soap (20 g). Then first word on new batches.

© 2026 Tigi Sarwaa Ventures Private Limited. Formulated and made in‑house in Kerala.

Tharu is a brand of Tigi Sarwaa Ventures Private Limited. Registered office: 1 USRA 15/196, Rohitham, Udarasiromani Road, Thiruvananthapuram, Kerala 695010. GSTIN 32AALCT7174J1ZX. CIN U55101KL2025PTC092981.

tharu

Hair, face and body care, made in Kerala. From Sarwaa, since 2010.

JOIN THE THARU CIRCLE

10% off your first order and a free Praana Signature soap (20 g). Then first word on new batches.

© 2026 Tigi Sarwaa Ventures Private Limited. Formulated and made in‑house in Kerala.

Tharu is a brand of Tigi Sarwaa Ventures Private Limited. Registered office: 1 USRA 15/196, Rohitham, Udarasiromani Road, Thiruvananthapuram, Kerala 695010. GSTIN 32AALCT7174J1ZX. CIN U55101KL2025PTC092981.