Last updated October 9, 2026
Density Serum and Root Renewal are cosmetic products for external use only. They are not intended to diagnose, treat, cure or prevent any disease. Individual results vary.
Not medical advice
Information on this Site, on our labels and in our emails is provided for general educational purposes only. It is not a substitute for professional medical advice, diagnosis or treatment. Never disregard professional medical advice or delay seeking it because of something you read here.
Talk to your doctor first
Consult your physician or another qualified healthcare provider before using our products, especially if you:
- are pregnant, nursing or planning to become pregnant;
- are taking any prescription or over-the-counter medication;
- have a medical condition, or are scheduled for surgery or lab testing;
- are experiencing sudden, patchy or significant hair loss, which can have medical causes that deserve a professional evaluation.
Density Serum and Root Renewal (topical serums)
- For external use only. Apply to the scalp, hairline and edges as directed. Do not swallow.
- Patch test first: before your first full use, apply a small amount to the inside of your wrist or behind your ear and wait 24 hours. If redness, itching, swelling or irritation develops, do not use the product.
- Avoid contact with eyes. If contact occurs, rinse thoroughly with water.
- Do not apply to broken, irritated, sunburned or inflamed skin.
- Stop use and consult a healthcare provider if irritation or any reaction occurs.
- If you are pregnant, nursing, taking medication or have a medical condition, ask your doctor before use.
- Botanical ingredients such as rosemary and ginger can cause sensitivity in some people. Both serums also contain soybean and wheat germ extracts. Read the full ingredient list on each product page or on The Science page if you have known allergies.
- These are cosmetic products. They are not intended to diagnose, treat, cure or prevent any disease, including hair loss.
Keep out of reach of children
Keep all products out of the reach of children and pets. Our products are intended for adults. In case of accidental ingestion, contact a doctor or Poison Control (1-800-222-1222) right away.
Results vary
Everyone’s hair and scalp are different, and results depend on many factors, including genetics, diet, health and consistency of use. We do not promise or guarantee any specific result.
Labels and ingredients
We work to keep product information on the Site accurate, but formulas and packaging can be updated. The label on the product you receive is the most accurate source for ingredients, directions and warnings. Always read it before use.
Reporting a reaction
If you experience an adverse reaction, stop using the product, seek medical care if needed, and let us know at support@flawlessgreenbeauty.com with your order number and the product lot number from the packaging.