Most people notice a result within the first 2 weeks, if following suggested protocols of use. We suggest taking a ‘before’ shot so the consumer can really compare the difference. The results can be ‘subtle’ compared to botox or fillers for example, but a photo will demonstrate the improvements to fine lines and wrinkles, increased elasticity, decreased sensitivity, diminished hyperpigmentation and quality of pores.

50ml units lasts approximately 8-10 weeks. That is, using the Serum twice daily and the Atomiser 4 times daily.

Yes. In fact the hydrating properties and the decrease in transepidermal water loss can help to strengthen skin and reduce sensitivity. TAM818 has been shown to rebuild capillaries and anecdotal evidence shows significant improvements on Rosacea inflicted skin.

In a 30-day time period TAM818 has been scientifically proven to:• Improve Skin Firmness by an average of 20.33%• Increase Skin Elasticity by 8.33%.• Improve Skin Smoothness and texture by 12.53% on the forehead and 9.63% in the eye area.• Decrease Forehead wrinkles by 14.04% and crows feet wrinkles by 11.07%.

Yes, please do! Except we recommend against the use of very high grade, surface damaging, exfoliation techniques and treatments which speed up the natural rate of cell division, thus causing increased telomere shortening and ultimately speeding up the rate of which your skin is ageing.

We only use natural, ecocertified ‘fragrance’ in our products

One Truth 818 products do not contain parabens.

One Truth 818 is made in a GMP facility in New Zealand by Chase Life Extension Foundation Ltd who hold the license to use TAM-818 in a skincare product. Sierra Sciences are based in Reno, Nevada, USA

For international orders (outside of New Zealand) we use DHL courier service. Products will generally take between 2-3 days to reach you. Within New Zealand orders are couriered via NZ courier and generally take 1-2 days.

If you spend over $99 USD on the website then yes shipping is free worldwide. Below that the rates will be reflected in your shopping cart so you know how much you will be charged.

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with untampered security seals, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us through the contact form on this website. If accepted we will then give you instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.