This botanical extract is a nutrient-dense skin conditioner recognized for its high concentration of essential amino acids and skin-mimetic lipids. It primarily functions to fortify the moisture barrier, soothe inflammatory responses, and provide antioxidant protection against environmental stressors.
- INCI Name:
- Amaranthus Caudatus Seed Extract (or Amaranthus Caudatus Extract)
- Chemical/Scientific Name:
- Amaranthus Caudatus Seed Extract
- Common Aliases:
- Amaranth Seed Extract, Velvet Flower Extract, Love-Lies-Bleeding Extract
| Category: | Softeners |
| Source Origin: | Plant-derived (Amaranth seeds or whole plant) |
| Comedogenic Rating: | 1 (Low) |
| Primary Industries: | Skincare, Haircare, Nutraceuticals |
| Solubility: | Dispersible in water or oil (dependent on extraction solvent) |
At a Glance: Properties & Effects
| Hydration/Moisture | |
| Barrier Repair | |
| Soothing/Calming | |
| Irritation Risk |
Primary Benefits:
- High lysine content supports natural protein structures within the skin.
- Replenishes essential lipids to prevent transepidermal water loss (TEWL).
- Delivers phenolic compounds that neutralize free radicals.
- Enhances skin suppleness through its emollient profile.
Potential Risks:
- Possible allergic reaction for individuals with specific botanical sensitivities.
Biological Action & Cosmetic Profile
Phytochemical analysis of Amaranthus Caudatus Extract reveals a unique composition of lipids, including a significant fraction of Squalane, which accounts for up to 8% of the seed oil profile. This lipid is naturally found in human sebum, making the extract exceptionally biocompatible. When applied topically, these lipids integrate into the stratum corneum, reinforcing the intercellular cement and enhancing the skin’s defensive barrier against exogenous irritants.Amino acids play a critical role in the efficacy of this botanical. It contains an unusually high level of L-lysine compared to other grains, alongside Arginine and methionine. These nitrogen-rich compounds serve as precursors for collagen synthesis and are vital components of the Natural Moisturizing Factor (NMF). By maintaining NMF levels, the extract ensures the skin remains hydrated and resilient under osmotic stress.Protective qualities are further bolstered by the presence of tocopherols and polyphenols. These antioxidants inhibit lipid peroxidation, a process that degrades the cell membranes and leads to premature aging. Clinical observations suggest that the extract’s anti-inflammatory properties can assist in reducing erythema and soothing reactive skin conditions by modulating cytokine activity.
Broader Applications & Origins
Amaranth is an ancient pseudocereal native to the Andean region of South America, where it has been cultivated for over 8,000 years. Beyond its cosmetic utility, the plant is a highly sustainable crop due to its resistance to drought and poor soil conditions. In the cosmetic industry, the extract is utilized in both leave-on formulations like serums and moisturizers, and rinse-off products like shampoos, where it provides film-forming benefits to the hair shaft.
Routine Integration
Synergies:
- Tocopherol: Enhances the overall antioxidant stability and lipid-replenishing effects.
- Sodium Hyaluronate: Combines surface hydration with deep-reaching lipid barrier support.
- Glycerin: Works as a humectant to draw moisture into the skin while the amaranth lipids seal it in.
Conflicts:
- No known significant ingredient conflicts; universally compatible with most actives.
Clinical Consensus & Safety
The Cosmetic Ingredient Review (CIR) Expert Panel and the European Commission’s CosIng database classify Amaranthus Caudatus Extract as a safe skin-conditioning agent. It is generally non-irritating and non-sensitizing in standard cosmetic concentrations. Because it contains lipids like Palmitic Acid and Stearic Acid, it is highly tolerated by most skin types, including those with compromised barriers.
Is Amaranthus Caudatus Extract suitable for acne-prone skin?
Yes, because it has a low comedogenic rating and contains anti-inflammatory properties that may help calm the redness associated with breakouts.
Can this ingredient help with anti-aging?
While it is not a primary corrective like retinol, its high antioxidant and amino acid content supports the skin’s structural integrity and protects against the environmental damage that causes fine lines.
Is it safe for use during pregnancy?
Dermatological consensus identifies this botanical extract as safe for topical use during pregnancy, as it lacks systemic toxicity or hormonal interference.