Product Safety

Last updated: November 3, 2026

How a session feels

Most people feel a light prickle and a cool tingle. Mild redness for a few hours can happen. Read the safety leaflet in the box before your first session.

Who should not use it

• Do not use the kit on broken, sunburned, irritated or infected skin.
• If you have an active scalp condition, wait until it clears.
• Keep the kit away from children.

Patch test first

Before your first session, put a drop of serum on the inside of your wrist and wait 24 hours. If it turns red, itchy or swollen, do not use the kit.

How to use it safely

• Use it on your scalp only, once a week.
• Each micro-infusion dome is for one session only. Throw it away after use, and never share it with anyone.
• Leave the serum on for 4 to 6 hours before washing.

When to stop

Stop and rinse your scalp with water if it burns, or if redness, swelling or itching lasts more than a day. If it does not settle, see a doctor and take the box with you.

Then email us with "Reaction" in the subject. We refund that order in full, as our Refund Policy explains.

Questions

Write to help@reviven.co or use our contact page. We answer email and WhatsApp within 1 business day. These rules are also part of our Terms of Service.