Raspberry Ketone Glucoside (RKG) is a naturally occurring compound found in raspberries. It is a derivative of raspberry ketones, which are responsible for the characteristic aroma of raspberries. RKG combines the benefits of raspberry ketones with a glucose molecule, making it more stable and water-soluble for use in cosmetic formulations.
RKG has been shown to have antioxidant properties, helping protect the skin from free radical damage and reducing the visible signs of aging. It is also known for its potential skin-brightening and toning effects, helping to improve skin texture and reduce the appearance of cellulite. RKG is often included in formulations targeting uneven skin tone, skin elasticity, and overall skin health.
This ingredient is gentle on the skin and is suitable for use in products aimed at sensitive skin, providing brightening and firming benefits with minimal irritation.
FEATURES
- Antioxidant-rich – helps protect the skin from oxidative stress and free radical damage.
- Brightening – helps to even out skin tone and promote a radiant complexion.
- Improves skin elasticity – supports firmer, smoother skin by improving its overall texture.
- Cellulite appearance – known to reduce the visible appearance of cellulite by promoting skin firming.
- Water-soluble – more stable and versatile than raspberry ketones alone.
BEST FOR
- Skin-brightening serums
- Anti-aging creams
- Body firming products
- Cellulite treatments
- Moisturizers
- Exfoliating masks
FORMULATION GUIDELINES
| INCI | Raspberry Ketone Glucoside |
|---|---|
| Type | Antioxidant, skin-brightening, firming agent |
| Solubility | Water soluble |
| Use Rate | 1.0–5.0% typical, depending on the target effect and formulation type. |
| Best Phase | Cool-down phase (below 40°C) to preserve its efficacy. |
| pH Compatibility | Works well in formulations with a pH of 4.5–6.5. |
| Temperature Tolerance | Stable at typical formulation temperatures. Add below 40°C in emulsions and gels to prevent degradation. |
| Pro Tip | For optimal results, combine RKG with other firming and brightening agents like peptides, hyaluronic acid, or vitamin C. It works well in both face and body care products, especially those designed for improving skin texture and elasticity. |
| Appearance | Clear to light yellow liquid |
| Stability Notes | Stable in most formulations, but always perform stability testing to confirm no changes in texture or separation over time. |
| Storage | Store in a cool, dry place, away from direct light and heat. |
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