Hair Density & Strength Complex
Keratin, biotin, zinc and copper in a daily capsule routine — just 2 capsules a day.
- Supports thicker-looking hair*
- Helps strengthen hair*
- Nourishes healthy hair growth*
- Just 2 capsules a day · 60 capsules per bottle
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
One-time, or Subscribe & Save 10–25% with free shipping.
Key benefits*
- Supports thicker-looking hair*
- Helps strengthen hair*
- Nourishes healthy hair growth*
Why Rootiva?
Cynatine® HNS soluble keratin (500 mg) with biotin (3,000 mcg).
Minerals that support a healthy scalp environment and natural keratin production.*
B-vitamins and vitamin A that support healthy hair.
One simple daily step. 60 capsules per bottle, a 30-day supply.
Product details
Rootiva Hair Density & Strength Complex — a daily hair nutrition dietary supplement.
- 60 capsules per bottle
- Serving: 2 capsules · 30-day supply
- Keratin complex, biotin, zinc, copper and vitamins A, E, B5, B6 and niacin
Ingredients & Supplement Facts
Supplement Facts
| Nutrient (as) | Amount per serving | % Daily Value |
|---|---|---|
| Vitamin A (as retinyl palmitate) | 90 mcg RAE | 10% |
| Vitamin E (as d-alpha tocopheryl succinate) | 3 mg | 20% |
| Niacin (as nicotinic acid) | 18 mg NE | 113% |
| Vitamin B6 (as pyridoxine HCl) | 2 mg | 118% |
| Biotin | 3,000 mcg | 10,000% |
| Pantothenic acid (as D-calcium pantothenate) | 13.7 mg | 275% |
| Zinc (as zinc gluconate) | 15 mg | 136% |
| Copper (as copper gluconate) | 1.65 mg | 183% |
| Cynatine® HNS (soluble keratin) | 500 mg | † |
† Daily Value not established. 60 capsules per bottle = 30-day supply. Other ingredients are listed on the bottle label.
How to take
Take 2 capsules daily. Do not exceed the recommended serving. Keep out of reach of children. Store in a cool, dry place with the cap tightly closed.
Good to know: biotin can interfere with certain laboratory tests, so tell your healthcare provider you take this supplement before any blood work. If you are pregnant, nursing, taking medication or have a medical condition, speak with your healthcare professional before use.
Shipping & returns
Orders are packed within 1–3 business days. Standard shipping is $6.95 (3–5 business days), free on subscriptions and orders over $99. Express is $14.95 (1–2 business days).
See our 30-day return policy.
Supports thicker-looking hair* ✦ Helps strengthen hair* ✦ Nourishes healthy hair growth*
What’s in every serving
Two capsules a day bring keratin, biotin, zinc, copper and a short list of hair-supporting vitamins together in one routine.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Supplement Facts
| Nutrient (as) | Amount per serving | % Daily Value |
|---|---|---|
| Vitamin A (as retinyl palmitate) | 90 mcg RAE | 10% |
| Vitamin E (as d-alpha tocopheryl succinate) | 3 mg | 20% |
| Niacin (as nicotinic acid) | 18 mg NE | 113% |
| Vitamin B6 (as pyridoxine HCl) | 2 mg | 118% |
| Biotin | 3,000 mcg | 10,000% |
| Pantothenic acid (as D-calcium pantothenate) | 13.7 mg | 275% |
| Zinc (as zinc gluconate) | 15 mg | 136% |
| Copper (as copper gluconate) | 1.65 mg | 183% |
| Cynatine® HNS (soluble keratin) | 500 mg | † |
† Daily Value not established. 60 capsules per bottle = 30-day supply. Other ingredients are listed on the bottle label.
Straight from the label
Serving size 2 capsules · 30 servings per bottle. We publish every number up front — no proprietary-blend mystery.
Values shown as supplied for the Rootiva label; the printed panel on your bottle is the final reference.
Shop nowJust 2 capsules a day.
One small step you can attach to something you already do. 60 capsules per bottle — a 30-day supply.
See supply options
Hair care that starts inside.
Rootiva Hair Lab is the daily nutrition step in your hair routine — simple enough to keep, and easy to pair with the habits you already have.
Choose a one-time bottle, or subscribe and save 10–25% with delivery on your schedule. Skip or cancel any time.
Shop Hair Density ComplexGood to know
How many capsules should I take?
Take 2 capsules daily. Please don’t exceed the recommended serving. One bottle holds 60 capsules — a 30-day supply.
What’s in Rootiva Hair Density & Strength Complex?
Keratin complex (Cynatine® HNS, 500 mg), biotin (3,000 mcg), zinc (15 mg), copper (1.65 mg) and vitamins A, E, B5, B6 and niacin. See the full Supplement Facts.
Does biotin affect lab tests?
Yes — biotin can interfere with certain laboratory tests. Tell your healthcare provider you take a biotin-containing supplement before any blood work.
When will I notice a difference?
We don’t promise a timeline: individual results vary, and hair goes through growth cycles over months. Consistent daily use matters more than speed. If it isn’t for you, see our 30-day return policy.
Who should check with a doctor first?
Anyone who is pregnant or nursing, takes medication, or has a medical condition should speak with a healthcare professional before using any dietary supplement.
How does Subscribe & Save work?
Subscribe and save 10% on a 1-month bottle, 20% on a 3-month supply or 25% on a 6-month supply. A new supply ships every 30, 90 or 180 days with free shipping, and you can skip, pause or cancel from your order email.
What are the shipping costs?
Standard shipping is $6.95 (3–5 business days) and free on every subscription and on one-time orders over $99. Express is $14.95 (1–2 business days). We ship within the United States.
What’s your return policy?
Unopened bottles can be returned within 30 days of delivery. See the full return & refund policy or email care@rootivahairlab.com.
Still unsure? A real person on our care team replies within one business day.
Contact us