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ALTHAEA OFFICINALIS ROOT EXTRACT.

Valuable CAS 73049-65-7 / SKIN CONDITIONING

Althaea Officinalis Root Extract, derived from the marshmallow plant, is a multifaceted ingredient prized for its potent hydrating, soothing, and anti-inflammatory capabilities. Rich in mucilage, it forms a protective barrier to lock in moisture, calm irritation, and defend against oxidative stress.

skin conditioning emollient soothing hydrating anti-inflammatory antioxidant anti-aging skin repair moisture retention

Science

The primary mechanism involves its high mucilage content, particularly polysaccharides like glucuronic acid, rhamnose, and galactose. This mucilage creates a protective layer on the skin, effectively attracting and retaining water, thereby enhancing hydration and reducing transepidermal water loss. It also helps to prevent the enzymatic breakdown of hyaluronic acid. Furthermore, the extract exhibits anti-inflammatory properties by stimulating specific cells, and it acts as an antioxidant, mitigating free radical damage and UVA-induced oxidative stress, thus promoting skin repair and improving elasticity.


Research

High confidence
Effective range 1–5%
Optimal

2%

Key findings

  1. 01 Positively affected the wound healing process in second-degree burns in mice by reducing inflammation and scavenging free radicals.
  2. 02 Reduced skin irritation in an ointment, suggesting robust anti-inflammatory activity through cellular stimulation.
  3. 03 Demonstrated documented soothing benefits and the ability to interrupt oxidative damage from UVA light in cosmetic applications, with even small amounts providing visible results.

Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH 5 – 6.5
0 7 14

Stability

A cold process is recommended during preparation to preserve the extract's effectiveness, as heat processing may lead to a loss of potency. It is commonly dissolved in a blend of water and glycerin.


Safety

CIR Status
Not reviewed
Sensitization risk Low

This extract is generally considered safe for topical application, even on sensitive skin, exhibiting non-toxic and non-irritating characteristics with rare adverse reactions. The Environmental Working Group (EWG) rates it with 'LOW' concerns across various toxicity categories. While a patch test is advisable for individuals with known plant allergies, its overall safety profile is robust, with FDA recognition as a natural substance used in flavoring and its use in FDA-registered cosmetic facilities.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Valuable

Althaea Officinalis Root Extract is a valuable ingredient, leveraging its mucilage to deliver significant hydration, soothing, and antioxidant benefits, suitable for all skin types and contributing to skin repair and anti-aging formulations.


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