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CAMELLIA JAPONICA GAMMA-LACTONE.

Valuable / HAIR CONDITIONING, NAIL CONDITIONING, SKIN CONDITIONING

A sophisticated botanical derivative sourced from the Japanese Camellia, this cyclic ester functions as a high-performance lipid-restoring agent. It creates an ultra-breathable, protective film that mirrors the skin's natural moisture-retention mechanisms.

Barrier restoration TEWL reduction Antioxidant protection Skin conditioning Film-forming emollient

Science

As a plant-derived gamma-lactone, it acts as a structural emollient that reinforces the skin's lipid matrix. It provides a specialized film-forming effect to lock in moisture while its antioxidant properties neutralize oxidative stress, preserving the integrity of the dermal barrier.


Research

Medium confidence
Effective range 1–5%
Optimal

2.5%

Key findings

  1. 01 Clinical in-vivo and in-vitro evaluations of the commercialized C-Lactone form demonstrate a measurable reduction in transepidermal water loss (TEWL) and a marked improvement in overall barrier resilience.

Transparency

Commonly dusted
Min. effective
1%
Red flag below
0.5%

To achieve functional barrier restoration and TEWL reduction, clinical data suggests a minimum threshold of 1.0%. Concentrations below this level are typically used for marketing claims rather than physiological impact.


The Formula

Solubility
Oil
Optimal pH 4.5 – 6.5
0 7 14

Stability

Maintains peak structural integrity in slightly acidic to neutral emulsions; susceptible to hydrolysis and ring-opening in alkaline environments exceeding pH 8.0.

Synergies

  • Ceramides
  • Squalane
  • Tocopherol

Conflicts

  • Strong oxidizing agents
  • High pH alkaline formulations

Safety

CIR Status
Not reviewed
Pregnancy
Safe
Sensitization risk Low

Recognized in the International Cosmetic Ingredient Dictionary; it is generally regarded as a safe botanical derivative with a low irritancy profile.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Valuable

A high-precision botanical emollient that effectively bridges the gap between natural oils and advanced barrier-repair technology.


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