Haruharu Wonder Black Bamboo Daily Smoothing Body Oil Versus Haruharu Wonder Black Rice Hyaluronic Toner For Sensitive Skin

Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.

Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.

This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.

Just know very high concentrations (>40%) can feel tacky in low humidity.

Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.

There's also some early evidence for brightening; some isolates from bamboo peel significantly suppressed melanin production compared to control. Other compounds were also found to boost collagen and hyaluronic acid production.

Its dichloromethane extract has also demonstrated antibacterial activity against Staphylococcus aureus.

Just know most of the research so far is preclinical and more clinical trials are needed to confirm these effects in real-world cosmetic use.

At this time, there's no harm in adding it to your routine as a supportive ingredient.

You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!

Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.