“I’m thrilled to bring you The Radiance Booster Serum just in time for summer. This feather-light, nourishing formulation features hyaluronic acid to attract and lock in moisture, and skin-identical glycerin to boost cell-to-cell communication for high amplitude glow!” — Richard Parker, RATIONALE Founder and Director of Research
The Research
In human skin, hyaluronic acid enhances hydration when layered beneath a hydrator or moisturiser as part of the Essential Six Ritual. Sodium hyaluronate serves as a humectant, nourishing the complexion, while glycerin attracts and retains moisture, ensuring optimal hydration levels in the skin.
Nourish and Illuminate
This sumptuous formulation enhances hydration while complementing your existing skincare ritual. Gentle and suitable for all skin types, its water-based formula ensures no adverse reactions for oily skin
while deeply hydrating dry skin. As it delivers sustained moisture, The Radiance Booster Serum unveils a plumper, smoother, and more radiant complexion.
Seamlessly fitting into your AM or PM ritual, this hydrating serum serves as the ideal base for your morning brightening and protective products, as well as your evening reparative formulations.
Radiant Results
The results of The Radiance Booster Serum speak for themselves: 85% of users reported that their skin looked and felt more hydrated. Additionally, 85% noticed a brighter, more radiant complexion, while 85% experienced softer and more supple skin, embodying the signature RATIONALE glow.