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The Scalp Duo | Hyaluronic Acid

4.4
Rated 4.4 out of 5 stars
698 Reviews

The Necessary™ | Care For Your Body | Care For Your Planet

Treat Your Scalp Like Your Skin™

The Scalp Duo is a 2-step balancing duo for the scalp. The Shampoo and The Conditioner are infused with Hyaluronic Acid, Vitamin B3, Vitamin B5 and ApiScalp™ to help balance hydrate, and soothe a dry, sensitive scalp. The Hyaluronic Acid complex used in The Shampoo and The Conditioner has seven (7) Molecular Weights for multi-level hydration. ApiScalp™ – a plant based, natural extract of Apium Graveolens Seeds - helps calm itchiness and irritation. Start with The Shampoo –  a gentle fragrance-free foaming gel. Follow with The Conditioner –  a gentle fragrance-free detangling cream. Dermatologist-Tested. Hypoallergenic. Non-comedogenic. Color-Safe. The Shampoo and The Conditioner hold The Seal of Approval by The National Eczema Association.

Clinical Results | 50+ participants used The Shampoo, The Conditioner and The Scalp Serum for 12 Weeks. USA 2022. Q3.

  • 96% Said My Hair Looks Healthy
  • 96% Said My Scalp Feels Hydrated
  • 96% Said My Scalp Feels Less Itchy
  • 94% Said My Scalp Feels Less Flaky
  • 94% Said My Scalp Feels Healthy

$60

Free US Shipping $75+ | Free Returns

The Necessary™ | Care For Your Body | Care For Your Planet

Treat Your Scalp Like Your Skin™

The Scalp Duo is a 2-step balancing duo for the scalp. The Shampoo and The Conditioner are infused with Hyaluronic Acid, Vitamin B3, Vitamin B5 and ApiScalp™ to help balance hydrate, and soothe a dry, sensitive scalp. The Hyaluronic Acid complex used in The Shampoo and The Conditioner has seven (7) Molecular Weights for multi-level hydration. ApiScalp™ – a plant based, natural extract of Apium Graveolens Seeds - helps calm itchiness and irritation. Start with The Shampoo –  a gentle fragrance-free foaming gel. Follow with The Conditioner –  a gentle fragrance-free detangling cream. Dermatologist-Tested. Hypoallergenic. Non-comedogenic. Color-Safe. The Shampoo and The Conditioner hold The Seal of Approval by The National Eczema Association.

Clinical Results | 50+ participants used The Shampoo, The Conditioner and The Scalp Serum for 12 Weeks. USA 2022. Q3.

  • 96% Said My Hair Looks Healthy
  • 96% Said My Scalp Feels Hydrated
  • 96% Said My Scalp Feels Less Itchy
  • 94% Said My Scalp Feels Less Flaky
  • 94% Said My Scalp Feels Healthy

Free US Shipping $75+ | Free Returns

SET CONTAINS

TARGETS

Scalp Health

TREATMENT

Hyaluronic Acid
Vitamin B3
Vitamin B5
ApiScalp™

TESTED

Product Is:

  • Dermatologist-Tested
  • Hypoallergenic
  • Non-Comedogenic
  • EU Compliant
  • Certified Vegan
  • Cruelty-Free

SCENT

Fragrance-Free

USAGE

See Usage

FOOTPRINT

Brand Is:

  • 1% For The Planet
  • Certified B Corp
  • Certified Climate Neutral
  • Certified Plastic Neutral
  • Certified FCS
  • How2Recycle

AWARDS

2022 Allure Best Of Beauty
2023 SELF
2021 OK!

See Awards

Can I use The Shampoo and The Conditioner daily?

Yes. Use The Shampoo and The Conditioner daily or on wash day. The Shampoo and The Conditioner are dermatologist-tested, hypoallergenic and non-comedogenic. No SLS/SLES. No Silicones. No Phthalates. No Parabens. No PEGs. Formulas hold The Seal of Approval by The National Eczema Association.

Answer

Can all hair types and hair textures use The Shampoo and The Conditioner?

Yes. The Shampoo and The Conditioner are safe for all hair types and textures. The Shampoo and The Conditioner are dermatologist-tested, hypoallergenic and non-comedogenic. No SLS/SLES. No Silicones. No Phthalates. No Parabens. No PEGs. Formulas hold The Seal of Approval by The National Eczema Association.

Answer

When should I use Fragrance-Free vs Rosemary Franchise?

Fragrance-Free Shampoo and Conditioner is a balancing cleanse and conditioning duo for a dry, sensitive scalp. Rosemary Shampoo and Conditioner is a strengthening cleanse and conditioning duo for weak, thinning hair. All formulas are dermatologist- tested, hypoallergenic and non-comedogenic. No SLS/SLES. No Silicones. No Phthalates. No Parabens. No PEGs.

Answer

Is The Shampoo and The Conditioner gluten-free, soy-free and nut-free?

The Shampoo and The Conditioner are not certified gluten-free, soy-free or nut-free. Nécessaire is manufactured in a facility where gluten, soy and nuts may be used. If you have an allergy to gluten, soy, or nuts, we recommend that you do not use these products. If you still wish to try, please consider a patch test.

Answer

Is The Shampoo and The Conditioner pregnancy-safe

At Nécessaire we formulate without ingredients on the EU's prohibited substances list (Regulation No.1223/2009, Annex II). All of our products are dermatologist-tested, hypoallergenic and non-comedogenic. If you have any specific questions or concerns, we recommend consulting your doctor.

Answer

4.4
Rated 4.4 out of 5 stars
Based on 698 reviews
Total 5 star reviews: 513 Total 4 star reviews: 61 Total 3 star reviews: 48 Total 2 star reviews: 35 Total 1 star reviews: 41
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698 reviews
  • Inna K.
    Verified Buyer
    Reviewing
    The Scalp Duo | Hyaluronic Acid
    I recommend this product
    Rated 5 out of 5 stars
    12/9/25
    Wonderful set

    This is a great product!

    Was this helpful?
  • Thomas
    Reviewing
    The Scalp Essentials | Hyaluronic Acid | 5% Capixyl™
    I recommend this product
    Rated 5 out of 5 stars
    11/30/25
    5 Stars

    Amazing products and even better customer support. Worth every penny

    Was this helpful?
  • Chantelle
    Reviewing
    The Scalp Duo | Hyaluronic Acid
    I recommend this product
    Rated 5 out of 5 stars
    11/15/25
    5 Stars

    Totally changed my scalp!

    Was this helpful?
  • Rita
    Reviewing
    The Scalp Duo | Hyaluronic Acid
    I recommend this product
    Rated 5 out of 5 stars
    10/29/25
    5 Stars

    My hair has never felt better!

    Was this helpful?
  • Megan S.
    Verified Buyer
    Reviewing
    The Conditioner | Hyaluronic Acid
    I recommend this product
    What are your hair concerns? Dryness
    Rated 5 out of 5 stars
    10/25/25
    Keeps My Curly Hair Soft and Manageable

    I've been using this for a few months and my curly hair loves it. Keeps it soft and the curls look great.

    Was this helpful?