VERBASCOSIDE

VERBASCOSIDE

PHOTOPROTECTION ⎪ CELL RENEWAL ⎪ MICROBIOME BALANCE

Verbascoside is a phenylpropanoid glycoside naturally present in many medicinal plants, including common mullein (Verbascum thapsus), olive, verbena, and devil's claw. Less known than resveratrol or oleuropein, it is progressively establishing itself as one of the most promising polyphenolic active ingredients in modern cosmetics, thanks to a particularly comprehensive antioxidant, anti-inflammatory, and photoprotective action profile.

The benefits of verbascoside extend far beyond simple antioxidant protection. It acts deeply on the regulation of skin inflammation, DNA protection against UV damage, stimulation of cell renewal, and modulation of the skin microbiome, making it a key active ingredient for exposed, reactive, or mature skin.

What is verbascoside? Definition and origin

Verbascoside, also called acteoside depending on botanical sources, is a phenylpropanoid glycoside composed of caffeic acid, rhamnose, glucose, and hydroxytyrosol. This hybrid molecular structure gives it both the antioxidant properties of phenolic acids and those of phenylethanoids, resulting in a particularly broad action profile.

It is synthesized by plants as a secondary defense metabolite in response to environmental stresses: UV radiation, pathogen attacks, drought. It is this natural protective function that cosmetic formulas seek to harness for the benefit of human skin.

First identified in the genus Verbascumin the 1960s, verbascoside has since been isolated in over 200 plant species worldwide. Its concentration is particularly high in the leaves and flowers of common mullein, olive leaves, and the aerial parts of common verbena.

Contemporary research has highlighted its precise molecular mechanisms of action, including its interaction with TLR4 receptors involved in inflammation regulation and its ability to activate Nrf2 pathways of cellular antioxidant response.

Composition and active ingredients of verbascoside

The verbascoside molecule combines several complementary bioactive components:

• Caffeic acid: powerful antioxidant and anti-inflammatory, inhibitor of NF-kB pathways and pro-oxidant enzymes
• Hydroxytyrosol: active metabolite of oleuropein, one of the most powerful natural antioxidants known
• Rhamnose: plant sugar that stimulates collagen synthesis and accelerates epidermal cell renewal
• Glucose: bioavailability vector that facilitates the transport of the molecule across cell membranes
• Depsidic ester bond: stable hybrid structure that protects active components from oxidative degradation

What are the benefits of verbascoside?

In vitro and in vivo studies show that verbascoside exhibits higher antioxidant activity than vitamin E and comparable to that of pure hydroxytyrosol. Its double phenolic structure allows it to simultaneously neutralize several reactive oxygen species, with particularly marked efficacy against hydroxyl radicals, the most destructive for cellular DNA.

At the skin level, verbascoside activates keratinocytes and fibroblasts, stimulates the production of cell protective proteins (heat shock proteins), and modulates the skin microbiome by promoting beneficial commensal bacteria at the expense of pathogens.

• Advanced antioxidant protection: neutralizes the most aggressive free radicals, including hydroxyl radicals, protecting DNA, membrane lipids, and structural proteins of the skin
• Cellular photoprotection: absorbs part of UVA and UVB radiation and neutralizes photo-induced reactive species, reducing damage to keratinocyte DNA
• Targeted anti-inflammatory action: inhibits TLR4 receptors and NF-kB pathways to soothe reactive, rosacea-prone, or chronically red skin
• Stimulation of cell renewal: the rhamnose integrated into its structure accelerates epidermal turnover and stimulates collagen synthesis by fibroblasts
• Modulation of the skin microbiome: promotes microbiome balance by supporting protective commensal bacteria and selectively inhibiting pathogens
• Soothing & repairing effect: reduces skin hypersensitivity and supports the repair of skin damaged by external aggressions or dermatological treatments

Key points:

• Antioxidant activity superior to vitamin E
• Targeted protection of keratinocyte DNA against UV damage
• Anti-inflammatory action via TLR4 receptors and NF-kB pathways
• Stimulation of cell renewal thanks to integrated rhamnose
• Skin microbiome modulator for lasting balance

How to use verbascoside

For topical use, verbascoside-titrated extracts are incorporated into serums, anti-aging creams, soothing care products, and sun formulas at concentrations generally between 0.05% and 1%, depending on the verbascoside content of the extract used.

It is particularly effective in formulas intended for skin exposed to urban pollution, reactive or rosacea-prone skin, and post-sun or post-dermatological procedure care.

The combination with oleuropein, vitamin C, and niacinamide creates a complete antioxidant and soothing synergy for stressed or unbalanced skin.

For oral use, verbascoside is present in common mullein and verbena extracts traditionally used in phytotherapy. Verbascoside-titrated supplements are available at dosages of 50 to 200 mg per day.

⚠️ Note: common mullein extracts may interact with certain sedative medications. Consult a healthcare professional if you are currently taking medication.

Precautions for use of verbascoside

Verbascoside has an excellent tolerance profile for topical use, confirmed by numerous dermatological safety studies. Its natural structure and plant origin make it an active ingredient generally very well accepted by all skin types.

Possible side effects:

• Rare skin reactions: on very sensitive skin, a slight transient redness may occur during the first applications. A preliminary test on the elbow crease is recommended.
• Photosensitization: the presence of caffeic acid in its structure can, in rare cases, increase sun sensitivity. The application of sun protection is advised for daytime use.
• Digestive disorders: in high doses of oral phytotherapy, mild digestive discomfort may occur. Taking it with meals can alleviate these discomforts.
• Drug interactions: plant extracts containing verbascoside may interact with sedatives, antidiabetics, and certain immunosuppressants. Medical consultation is recommended.
• Allergy to Lamiaceae or Scrophulariaceae: people allergic to plants of these botanical families should perform a preliminary skin test.

⚠️ Pregnant women, breastfeeding women, and people undergoing medical treatment should consult a healthcare professional before any oral supplementation with extracts containing verbascoside.

Frequently asked questions about verbascoside

What is the difference between verbascoside and oleuropein?
Both molecules share hydroxytyrosol as a common active component, which explains their similar antioxidant profile. Verbascoside is distinguished by its depsidic ester structure incorporating rhamnose, giving it additional action on cell renewal and the skin microbiome. Both active ingredients are highly complementary and synergistic in anti-aging formulas.

Is verbascoside effective against rosacea?
Studies show that its action on TLR4 receptors and NF-kB pathways makes it particularly relevant for rosacea-prone or chronically red skin. It reduces vascular hypersensitivity and exacerbated inflammatory responses characteristic of rosacea, in addition to appropriate dermatological management.

In which plants is verbascoside found?
Verbascoside is present in over 200 plant species. The most concentrated sources include common mullein (Verbascum thapsus), common verbena (Verbena officinalis), olive (Olea europaea), devil's claw (Harpagophytum procumbens), and plantain (Plantago major).

Is verbascoside suitable for vegans?
Absolutely. Verbascoside is a 100% plant-based active ingredient, extracted from medicinal plants, perfectly suitable for vegan formulas and diets.

How long does it take to see the effects of verbascoside?
A soothing and protective effect is noticeable from the first applications on reactive skin. Benefits on radiance, firmness, and evenness of complexion require 4 to 6 weeks of regular use.

Sources:
Alipieva K. et al. "Verbascoside — a review of its occurrence, biology and pharmacological activity." Phytochemistry, 2014.
Georgiev M. et al. "Antioxidant activity and phenolic content of verbascoside-rich plant extracts." Industrial Crops and Products, 2011.
Speranza L. et al. "Verbascoside inhibits NF-kB and reduces inflammation." Journal of Natural Products, 2010.