High Quality Products for Collecting, Stabilizing and Extracting DNA

Buccal Swabs

Swab Collection

Isohelix buccal swabs are designed with a unique matrix to increase yields of high quality DNA samples.

Our swabs are available in a variety of tube and quantity options to best suit your application and maximize your samples.

View our full range here

Collection & Stabilization

SK-1S & Dri-Capsules

Silica gel capsules that are designed to fit perfectly in to SK-1S tubes for long term stabilization of buccal cell DNA samples.

SK-3S/4S & BuccalFix

BuccalFix liquid stabilization buffer tubes are ideal for maximizing sample yield & quality at the point of collection for the best possible results.


RapiDri combines an Isohelix swab with a fast-drying pouch that stabilizes DNA samples at room temperature without the need for additional components.


Collection & Stabilization


The GFX-01 is a high performing and easy to use saliva collection device for collecting 1ml of saliva DNA/RNA. Available for diagnostic and research purposes.

Ideal for genotyping.


The GFX-02 is designed for collecting 2ml of saliva DNA/RNA for applications that demand greater yields. Available for diagnostic and research purposes.

Ideal for whole genome sequencing.


The GFX-03 Xtra uses 1ml of our concentrated buffer to stabilize 3ml of saliva DNA/RNA for when maximum quantity is required. Available for research purposes.

Ideal for biobanking.


The GFXA-01 includes absorbent foam swabs for assisted collection of 1ml of saliva DNA/RNA when self collection is not possible. Available for diagnostic and research purposes.

Ideal for paediatrics.



SaliFix™ Swab Collectors maximise Saliva DNA/RNA sampling and includes the latest NEW SwabCatcher™ format

Ideal for Genotyping/Molecular Diagnostic


Isohelix DNA extraction kits are designed specifically for buccal swab samples to achieve better yields and quality than the equivalent generic kit.

Our kits are available in a variety of different method options to fit directly in to your existing workflows .

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