100 g Bearberry [5:1] Extract - Fruit & Herbal Powder Extracts


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100 g Bearberry [5:1] Extract - Fruit & Herbal Powder Extracts

Product number: EXTR100BILBBEARBERR
AU$23.10

Product Description


Ingredients: Arctostayphlos Uva Ursi Leaf Extract.

 

Bearberry is well known for being a natural source of Arbutin derivatives that have skin brightening properties. Scientific literature describes the fresh plant chemistry as containing between 5-7% Arbutins with the dried herb typically containing  20-28%.  In addition to the brightening complex this fruit also contains phenolic acids such as Ursolic Acid which is an anti-inflammatory, regenerative active.

Solubility: Being a herb this ingredient will not fully dissolve in any solvent but instead should be steeped into a carrier and then filtered before using it in your product. Both the Arbutin and the Ursolic Acid are water souble so we recommend creating an extraction with water, water/glycerin or water/alcohol and then filtering it.  The herb is a 5:1 extract which means it has been dehydrated so that 1 gram of dried herb contains as much active as 5g of fresh herb.  You can make an extraction of any concentration you wish but we typically suggest using between 1-20% powdered herb into your solvent, steeping it to help extract the herb and then filtering.  This would be equivalent to between 5-100% strength herbal liquid. The resulting liquid can then be dosed into your cosmetic at between 1-10% depending on the effect you desire.  There is no guarantee that the extraction will liberate the chemistry you require although there are tests that can be done to check on the strength of the extracts but you could expect a theoretical concentration  as follows:

1% of powder in solvent = max of 0.25% Arbutin in the liquid portion of your extraction. This is then used in your cosmeic product at 1-10% giving a theoretical arbutin concentration of 0.0025-0.025%

20% of powder in solvent = max of 5% of Arbutin in the liquid portion of your extraction. This is then used in your cosmetic product at 1-10% giving a theoretical arbutin concentration of 0.05-0.5%

The maximum concentration of Arbutin that is regarded as safe in a topical leave-on product is 2%.

Please Note: These products are for cosmetic use only and not to be consumed.


Disclaimer

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