Short answer: stainless steel or titanium if your skin is sensitive or breakout-prone, because they are non-porous and nothing soaks in. Jade if you want the traditional waxier glide. Obsidian if you like the tool cold. Blue aventurine if you want weight doing the work. Tiger's eye if you want something that looks like an object rather than a tool.
Now the longer version, including the part most guides leave out.
Shape matters more than material
This is the uncomfortable bit if you sell stones for a living: the material makes far less difference to the result than the shape and how you use it. A well-contoured stone in the right hands works. A badly shaped one with sharp mould seams will not work regardless of what it is cut from, and it may irritate your skin.
So before comparing materials, check the edges. They should be smooth and continuous, with no ridge where two halves of a mould met. Every stone we sell is one shape, hand-finished, precisely because the shape is the part that has to be right.
The practical differences
Porous vs non-porous
This is the only material difference with a real hygiene consequence.
Natural stones — jade, aventurine, tiger's eye — have microscopic surface porosity. In normal use with normal washing this is a non-issue for most people. But if your skin is acne-prone, or you use the tool with heavy oils and clean it infrequently, non-porous is the safer choice. Stainless steel and titanium have no porosity at all. Obsidian is volcanic glass, so it is also effectively non-porous.
How long it stays cold
If you want cold, this is the ranking, coldest-lasting first: obsidian, then steel and titanium, then the natural stones. Obsidian holds a chill noticeably longer than anything else here — ten minutes in the fridge and it stays cool for a full pass over the face.
Steel takes cold fastest but also loses it fastest, so it is the one to keep in the fridge if you want cold on demand.
Jade does the opposite: it warms to skin temperature quickly. Some people much prefer that, and it is closer to how gua sha is traditionally practised.
Glide
Jade has a slightly waxier surface, which means marginally more contact and less slide. Polished stones and metals slide more freely. Neither is better — but if you like feeling the tool work against the skin rather than skating over it, jade is the one.
Weight
Blue aventurine is the heaviest in our range at around 70g with a denser feel. Weight is genuinely useful: a heavier stone means you press less, and pressing too hard is the single most common mistake people make.
Durability
Natural stone chips if you drop it on tile. Steel and titanium do not. If you use your gua sha in the bathroom over a hard floor, that is worth factoring in.
What about the crystal properties?
We are not going to tell you that rose quartz opens your heart chakra or that tiger's eye grounds your energy. There is no evidence for any of it.
What is true is that people use a tool they like looking at. If tiger's eye is the one you will actually pick up every night because the chatoyancy catches the light, that is a real advantage — just an aesthetic one rather than a metaphysical one. Consistency beats material every time.
A decision in four questions
- Does your skin break out? Steel or titanium.
- Do you want it cold? Obsidian, or steel kept in the fridge.
- Do you want the traditional feel? Jade.
- None of the above? Pick the one you find most attractive. You will use it more.
One thing you definitely need
Oil. A gua sha stone should glide, and without slip it drags — which is what actually irritates skin, not pressure. Any facial oil works; jojoba is the safest starting point if you are prone to congestion. More on that in do you need oil for gua sha.
When you have chosen, the technique is on how to use a gua sha. It takes three minutes.
Gua sha is a cosmetic and comfort practice, not a medical treatment. Avoid broken skin, sunburn, active acne lesions, rosacea flares and recent cosmetic procedures. If you have a skin condition, check with a qualified professional first.