Supercharge your skincare routine with the NEW Simple Booster Serum â 3% Hyaluronic Acid + B5. This serum is potent yet kind Serum is our most advanced innovation yet and provides deep hydration. The formulation has 0.5% active hyaluronic acid known for intense hydration and youthful soft skin that's plump from within 2.5% Pro-Vitamin B5 that promotes soft smooth skin feel and 0.5% Pentavitin that helps in deep hydration that doesn't wash away. Hyaluronic Acid + B5 Serum is 95% naturally derived 96% biodegradable that's non greasy and non-sticky and feels absolutely light on skin Like all other Simple products the booster serums contains no colour or dye no alcohol no parabens no mineral oil and no artificial perfume. We're dermatologically tested and approved and ophthalmologically tested. Specially designed for sensitive skin users we're tested and approved hypoallergenic and non-comedogenic. At Simple we're all about Clean Beauty with 100% efficacy! And it's really SIMPLE â no skin irritants only skin loving ingredients as we know what we leave out of our products is just as important as what we put in! In fact we only include ingredients that downright love your skin and respect its natural balance and build it further. Because all skin can be sensitive at times; pollution stress irritants changing weather lack of sleep and city living there's a million reasons why your skin can feel a little sensitive and need the extra care and kindness. And we believe Clean Beauty is Simple even for sensitive skin!