Bulk Oak Extract Built for Consistent Industrial Formulation
Oak extract concentrate supplied in a 1 liter volume is designed for manufacturers running steady production lines where batch-to-batch consistency of raw material matters most. It is derived from oak bark, naturally rich in tannins and astringent compounds, which give the extract its pronounced tightening and sebum-regulating properties. This product belongs to the Extract Concentrates section, gathering concentrated plant extracts intended for industrial use across cosmetic, pharmaceutical and related sectors.
Demand for oak extract comes from several industries simultaneously. In cosmetics manufacturing it is added to toners, lotions and products for oily or problem skin, as well as hair strengthening and scalp care formulas, since the tannin content helps regulate excess sebum production and gives skin a more refined, matte finish. Deodorant and antiperspirant producers value oak extract for its natural ability to reduce sweat gland activity. The food and beverage industry has long relied on oak tannins during aging of wine and spirits, and for natural preservation processes where tannin compounds are required. A separate large-scale application is the leather and textile industry, where oak tannins have historically been, and still remain, used for tanning leather and improving fabric resistance to moisture.
The concentrate should be introduced during the cooling stage of a formulation, at temperatures below 40 degrees, to preserve the activity of the tannins and polyphenols. A standard dosage for cosmetic emulsions and toners ranges from 1 to 5 percent of the total formula weight, and concentrated serums may go up to 7-8 percent after preliminary compatibility testing with the rest of the formula. Oak extract pairs well with other botanical extracts: it combines effectively with Chamomile Extract Concentrate in calming formulations, with Whole pomegranate extract concentrate in antioxidant lines, and with Hop Extract Concentrate in strengthening and skin-balancing products.
For this larger container size, proper storage is essential: keep the concentrate in a tightly sealed dark glass or food-grade plastic container, away from direct sunlight, at a temperature between 4 and 20 degrees. Once opened, it is advisable to transfer working portions into smaller sealed containers to limit air exposure during regular production use. This packing size suits facilities running predictable order volumes that need dependable raw material quality across repeated production runs.
The extract is compatible with most emulsifiers, preservatives and thickeners common in cosmetic formulations, though a small trial batch is recommended before full-scale introduction into a production line to confirm emulsion stability.
Astringent Toner for Oily Skin
Distilled water 850 ml
Oak Extract Concentrate 30 ml
Vegetable glycerin 25 ml
Cosmetic ethanol 40 ml
Broad-spectrum preservative 5 ml
Combine the distilled water with glycerin and mix thoroughly, then add the ethanol and oak extract, stirring until the mixture becomes fully uniform. Finally blend in the preservative, mix once more, and pour the finished toner into clean spray bottles, storing the product in a cool, dark location.