Science
Mechanism of Action
This extract functions as a potent antioxidant, primarily through its rich flavonoid content, which effectively neutralizes free radicals and mitigates oxidative stress. Its anti-inflammatory action works by decreasing nitric oxide (NO) levels, thereby calming irritated skin. For anti-aging effects, it stimulates cellular regeneration, supports the production of collagen and elastin, and reduces the formation of advanced glycation end products (AGEs). Skin-lightening is achieved through antityrosinase activity, which inhibits melanin synthesis. Furthermore, it offers deep hydration and nourishment, possesses antiseptic properties beneficial for managing acne, aids in oil balance by regulating sebum production, and supports wound healing through enhanced skin cell regeneration.
Research
Clinical Evidence
High confidence0.0273%
Key findings
- 01 Demonstrated DPPH radical scavenging (antioxidant) activity with an IC50 of 0.0208% (208 mg/L) for a methanolic extract of J. sambac flowers.
- 02 Exhibited antityrosinase (skin whitening) activity with an IC50 of 0.02635% (263.5 mg/L) for a residue oil (RO) extract.
- 03 A 2:8 mixture of SFE and RO extracts, ranging from 0.0273% to 0.0421% (273–421 mg/L), was found to be a powerful, nontoxic ingredient with strong antioxidant activity and 100% antityrosinase activity.
- 04 Cell viability exceeded 98.2% and cytotoxicity was nonsignificant on human CCD-966SK and HEMn cells for concentrations up to 0.1% (1000 mg/L).
- 05 A hydroethanolic extract (JasHEx) reduced cytosolic reactive oxygen species production in keratinocytes and increased collagen type I production, acting as a powerful antioxidant booster against oxidative stress-induced skin aging.
Transparency
Dusting Analysis
Clinical studies demonstrate measurable efficacy for key benefits like antioxidant and antityrosinase activity at concentrations as low as 0.0208%. Therefore, concentrations significantly below this 0.02% threshold would likely not provide the intended active benefits and could be indicative of 'dusting'.
The Formula
Formulation
Stability
While a hydroethanolic extract's pH was adjusted to 7.0 for freeze-drying and a phosphate buffer at pH 6.5 was employed for antioxidant activity measurement, an explicit optimal pH range for the overall stability of Jasminum Sambac Flower Extract is not specified in the current research.
Conflicts
- Volatile fragrance components, such as linalool and geraniol, naturally present in the extract, can react with oxygen, potentially leading to oxidative damage and skin irritation, particularly for individuals with sensitive skin.
- Traditional extraction methods may yield products of lower quality due to solvent residues, reduced physiological activity, impurities, and an altered scent, highlighting the necessity for advanced extraction techniques to ensure optimal quality and efficacy.
Safety
Safety Profile
Jasminum Sambac Flower Extract has not undergone formal safety review by CIR, SCCS, or FDA. Studies generally suggest that J. sambac essential oils and extracts are safe as functional ingredients in various applications, with no systemic biological toxicity or mortality observed in tested mice. However, the extract contains volatile fragrance components, including linalool and geraniol, which may react with oxygen and potentially cause oxidative damage and irritation on the skin. In vitro studies indicated no significant cytotoxicity on human cells at concentrations up to 0.1%, but slight cytotoxicity was observed at 0.2% for specific residue oil (RO) extracts.
Your Skin
Skin Compatibility
Our Assessment
Verdict
JASMINUM SAMBAC FLOWER EXTRACT is a valuable multi-functional ingredient, demonstrating significant antioxidant, skin-brightening, and anti-aging benefits supported by clinical data at precise, low concentrations, though its potential for irritation in sensitive individuals due to volatile components warrants careful formulation.
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