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CITRUS GRANDIS EXTRACT.

Valuable / ANTIMICROBIAL, SKIN CONDITIONING

Citrus Grandis Extract, derived from grapefruit, is a multi-functional botanical celebrated for its potent antioxidant profile and invigorating properties. It visibly refines skin texture, brightens tone, and offers targeted benefits against environmental stressors and blemish-related congestion, while also aiding in hydration and collagen support.

Summary

Antioxidant Astringent Skin Conditioning Tonic Brightening Exfoliating Antibacterial Collagen Boosting Hydrating Pore Minimizing

Science

Mechanism of Action

This extract operates through a rich synergy of active compounds. Its high concentration of vitamins A, C, and E, alongside flavonoids, delivers robust antioxidant protection against free radical damage, supporting cellular integrity. Citric, linoleic, and malic acids contribute to its alpha hydroxy acid (AHA) content, facilitating gentle exfoliation for improved skin texture and a brighter complexion. Its astringent qualities help to minimize the appearance of pores and firm the skin, while antibacterial action addresses factors contributing to blemishes. Additionally, a polysaccharide/amino acid complex aids in hydration, and Vitamin C and flavonoids promote collagen synthesis, aiding in the reduction of fine lines.

Research

Clinical Evidence

Medium confidence
Effective range 1–15%
Optimal

5%

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH 2 – 3.5
0 7 14

Stability

This viscous, lemon-yellow liquid maintains stability for at least 12 months when stored at low temperatures in its original, unopened container. While low temperatures may cause cloudiness, its activity remains unaffected. It integrates effectively into both water and oil-based formulations.

Conflicts

  • Carbomer
  • surfactants
  • anionic emulsifiers

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
15%
Sensitization risk Moderate

The CIR Expert Panel deems this extract safe under specific use limitations or when formulated to mitigate irritation. It is recommended for use between 5-10% concentration for minimal risk. A significant consideration is the presence of furanocoumarins, which can induce photosensitivity. Therefore, for sun-exposed applications, the total bergapten content must not exceed 0.0015% (15 ppm). Individuals with sensitive skin should perform a patch test due to potential for mild irritation or allergic reactions. The FDA classifies it as Generally Recognized As Safe (GRAS) under specific conditions.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
No Sensitive
Irritancy Medium
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Citrus Grandis Extract is a valuable multi-functional ingredient offering significant antioxidant, brightening, and clarifying benefits, provided it is meticulously formulated to mitigate photosensitivity and potential irritation risks, especially for sensitive skin.

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References

Sources