Centella Asiatica Extract vs Portulaca Oleracea Extract: Which Better Supports Skin Soothing and Repair?

Within the realms of efficacy-driven skincare and sensitive skin care, Centella Asiatica Extract and Portulaca Oleracea Extract are frequently categorised as "soothing and restorative botanical ingredients". They find extensive application in barrier repair, inflammation management, and products for problem skin. Although frequently grouped in marketing materials, their functional positioning and applicable scenarios differ markedly when examined through the lens of active ingredient structure, mechanism of action, evidence-based strength, and industry maturity. For professional procurement and formulation development personnel, clearly defining the core strengths and limitations of these two extracts is pivotal to achieving controllable efficacy and product differentiation.

• Centella asiatica extract is derived from the whole plant of Centella asiatica, with its core active constituents primarily comprising triterpenoid compounds such as asiaticoside, asiatic acid, and madecassic acid. According to a 2021 study in the International Journal of Molecular Sciences, these triterpenoids play a pivotal role in skin repair by promoting fibroblast proliferation, stimulating type I collagen synthesis, and regulating the TGF-β signalling pathway. Their mechanism of action is more oriented towards structural repair and supporting dermal layer regeneration.

• Purslane extract, derived from the aerial parts of Portulaca oleracea, possesses a more complex composition of active constituents, primarily comprising polysaccharides, flavonoids, alkaloids, omega-3 fatty acids, and organic acids. According to a 2020 study in the Journal of Ethnopharmacology, purslane extract exhibits rapid anti-inflammatory and anti-irritant properties when applied topically. It alleviates erythema and stinging sensations by inhibiting the release of inflammatory mediators and reducing histamine responses. Thus, from a mechanism perspective, Centella asiatica leans towards "structural repair", while purslane leans towards "immediate soothing".

• For sensitive and damaged skin, Centella asiatica extract is more suitable for medium-to-long-term restorative formulations. According to a 2022 clinical study published in Skin Pharmacology and Physiology, topical preparations containing standardised triterpenes from Centella asiatica demonstrate sustained efficacy in improving skin elasticity, reducing microdamage, and accelerating barrier recovery. This makes them particularly suitable for post-surgical repair, post-chemical peel care, and barrier-rebuilding products.

• Purslane extract is more suitable for acute sensitivity reactions and inflamed skin conditions. Data from Clinical, Cosmetic and Investigational Dermatology (2021) indicates purslane extract rapidly alleviates burning sensations, itching, and redness. It is frequently incorporated into soothing serums, emergency products for sensitive skin, and infant care formulations. Thus, functionally, Centella asiatica leans towards "slow-acting repair", whilst purslane excels in "rapid-acting soothing".

• In terms of safety and formulation compatibility, both ingredients demonstrate high application maturity. Centella asiatica extract has a long history of use within cosmetic regulations. Relevant data from the EU SCCS indicate low irritancy and sensitisation potential within reasonable concentration ranges. However, procurement must focus on standardising triterpenoid content and controlling solvent residues to prevent batch-to-batch efficacy variations.
• Purslane extract demonstrates overall good tolerability, with its high water solubility conferring favourable stability in aqueous formulations. According to a 2020 study in the Chinese Journal of Cosmetic Science, purslane polysaccharides maintain stability across a broad pH range, making them suitable for soothing sprays, gels, and emulsion systems. However, owing to its complex composition, raw material consistency and microbial control are critical areas requiring close attention during procurement and quality control.

A comprehensive analysis reveals that Centella asiatica extract and Portulaca oleracea extract do not constitute direct competitors in the field of skin soothing and repair. Rather, they serve distinct temporal dimensions and efficacy tiers.

Centella asiatica is better suited for formulations emphasising structural repair and long-term barrier enhancement, whilst Portulaca oleracea excels in rapid soothing and reducing irritation risks. For professional procurement and R&D teams, treating these as complementary rather than substitute functional modules-combining or selecting them based on target skin conditions and product positioning-represents a decision-making approach more aligned with industry logic.

If you want to know more info about products, welcome to connect with Serrisha (cwj@appchem.cn).

Reference
[1]Anna Ratz-Łyko, J. Arct et al. "Moisturising and Antiinflammatory Properties of Cosmetic Formulations Containing Centella asiatica Extract." Indian Journal of Pharmaceutical Sciences (2016).
[2]Bo-ju Sun, Lili Wu et al. "Therapeutic Potential of Centella asiatica and Its Triterpenes: A Review." Frontiers in Pharmacology (2020).
[3]Chenhao Bi, Yuqi Jia et al. "Efficacy and safety of Xiaofeng powder in the treatment of chronic urticaria: A systematic review and meta-analysis." Medicine (2024).
[4]O. Asumah, E. Ugboma et al. "A Comparative Analysis of Camellia sinensis Extract and Salicylic Acid in the Management of Acne Vulgaris in Students." Journal of Complementary and Alternative Medical Research (2024).
[5]A. Shôji, A. Inoue et al. "Clinical Trial of Skin Care Compress Containing Mugwort Extract." (1998).