Skip to Main Content

Only while supplies last until Monday, February 2 at midnight

D.N.A. Scalp Serum 1 fl oz

Retail price: $42
Deal price: $21
50%OFF
Backorders will ship in 28 days.
Stock reserved until this airs in the west. Holds lift at 11:30 AM ET. While supplies last.
You may backorder now to ship within 28 days. Immediate stock is reserved until 11:30 AM ET while supplies last.
This item is SOLD OUT.
  • What it is: A fast-absorbing, water-based scalp serum, made with rosemary and biotin, that visibly thickens your hair.
  • Size: 1 oz / 30 mL
  • Hair Texture: Straight, Wavy, Curly, and Coily
  • Hair Type: Fine, Medium, and Thick
  • Hair Concerns: Dryness, Flaky/Dry Scalp, Thinning
  • Key Benefits: Visibly improves hair density and fullness while strengthening strands. Supports hair and scalp vitality. Hydrates and moisturizes
  • Ingredients: Water (Aqua), Butylene Glycol, Heptyl Glucoside, Glycerin, Helianthus Annuus (Sunflower) Seed Oil, Biotin, Curcuma Longa (Turmeric) Root Extract, Aloe Vera Callus Extract (Stem Cell), Caffeine, Rosmarinus Officinalis (Rosemary) Flower/Leaf/Stem Extract, Hydrolyzed Walnut Extract, Larix Europaea Wood Extract, Sodium Metabisulfite, Vitis Vinifera Fruit Meristem Cell Culture, Potassium Sorbate, Sodium Benzoate, Phenethyl Alcohol, Citric Acid, Camellia Sinensis Leaf Extract, Hydrolyzed Eruca Sativa Leaf, Zinc Chloride, Pentylene Glycol, Xanthan Gum, Polyglyceryl-3 Diisostearate, Caprylhydroxamic Acid, Aloe Barbadensis Leaf Juice, Carthamus Tinctorius (Safflower) Flower Extract, Hibiscus Sabdariffa Flower Extract, Sodium Phytate.
  • Highlighted Ingredients: Biotin: Is essential for hair strength and growth. Aloe Vera Stem Cell Extract: Soothes, hydrates, and moisturizes. Rosemary Extract: Increases circulation and supports hair density and vitality.
  • Ingredient Callouts: This product is vegan, gluten-free, and cruelty-free.
  • What Else You Need to Know: This lightweight, fast-absorbing, water-based serum is formulated with over 21 density-nourishing actives to support hair growth and scalp health. With daily use, it boosts the look of thickness, adds hydration, and empowers overall hair and scalp vitality.
  • How to Use
    • Before you use, conduct a patch test.
    • Shake well.
    • Pump two to three times to fill the dropper, then apply directly to the scalp and massage in.
    • For best results, use on a dry scalp once daily.
    • For maximum absorption, apply at night before bed.
  • What it is: A fast-absorbing, water-based scalp serum, made with rosemary and biotin, that visibly thickens your hair.
  • Size: 1 oz / 30 mL
  • Hair Texture: Straight, Wavy, Curly, and Coily
  • Hair Type: Fine, Medium, and Thick
  • Hair Concerns: Dryness, Flaky/Dry Scalp, Thinning
  • Key Benefits: Visibly improves hair density and fullness while strengthening strands. Supports hair and scalp vitality. Hydrates and moisturizes
  • Ingredients: Water (Aqua), Butylene Glycol, Heptyl Glucoside, Glycerin, Helianthus Annuus (Sunflower) Seed Oil, Biotin, Curcuma Longa (Turmeric) Root Extract, Aloe Vera Callus Extract (Stem Cell), Caffeine, Rosmarinus Officinalis (Rosemary) Flower/Leaf/Stem Extract, Hydrolyzed Walnut Extract, Larix Europaea Wood Extract, Sodium Metabisulfite, Vitis Vinifera Fruit Meristem Cell Culture, Potassium Sorbate, Sodium Benzoate, Phenethyl Alcohol, Citric Acid, Camellia Sinensis Leaf Extract, Hydrolyzed Eruca Sativa Leaf, Zinc Chloride, Pentylene Glycol, Xanthan Gum, Polyglyceryl-3 Diisostearate, Caprylhydroxamic Acid, Aloe Barbadensis Leaf Juice, Carthamus Tinctorius (Safflower) Flower Extract, Hibiscus Sabdariffa Flower Extract, Sodium Phytate.
  • Highlighted Ingredients: Biotin: Is essential for hair strength and growth. Aloe Vera Stem Cell Extract: Soothes, hydrates, and moisturizes. Rosemary Extract: Increases circulation and supports hair density and vitality.
  • Ingredient Callouts: This product is vegan, gluten-free, and cruelty-free.
  • What Else You Need to Know: This lightweight, fast-absorbing, water-based serum is formulated with over 21 density-nourishing actives to support hair growth and scalp health. With daily use, it boosts the look of thickness, adds hydration, and empowers overall hair and scalp vitality.
  • How to Use
    • Before you use, conduct a patch test.
    • Shake well.
    • Pump two to three times to fill the dropper, then apply directly to the scalp and massage in.
    • For best results, use on a dry scalp once daily.
    • For maximum absorption, apply at night before bed.

Check out more collections

Please provide your email address to be notified when this deal is offered again.
Your submission has been received. You’ll be notified by email when this deal returns.
Backorders will ship in 28 days.
Return Policy

At Sienna Naturals, we aim for 100% customer satisfaction. If you are not completely happy with your purchase, we are here to help.

30-Day Return Window

We offer a 30-day return policy. You have 30 days from the date of purchase to initiate a return for your items.

How to Start Your Return

To ensure your return is processed correctly, please follow these steps:

  1. Contact Us: Reach out to our support team at customerservice@siennanaturals.com to notify us of your return and receive our current return shipping address.
  2. Ship Your Item: Securely package your products and send them to the address provided by our team.
  3. Provide Tracking: Once you have shipped the package, you must email us the tracking number. This allows us to verify the return and expedite your refund.

Shipping Costs

Refund Process

Once we receive your returned products and your tracking number has been confirmed, we will issue a refund for the purchase price of the items to your original method of payment.

Questions?

If you have any questions about how to return your items to us, please contact us at customerservice@siennanaturals.com.