Konjac Sponge Review: Ecotools and Kuu

Affiliate Disclosure: I receive a small commission for purchases made via affiliate links.
How to cite: Wong M. Konjac Sponge Review: Ecotools and Kuu. Lab Muffin Beauty Science. December 15, 2014. Accessed May 23, 2024. https://labmuffin.com/konjac-sponge-review-ecotools-kuu/

I’m a big fan of physical exfoliation – while I love chemical exfoliation, my skin is really receptive to a good polishing every once in a while. My long-time favourites have been peeling gels and cleansing brushes, but after listening to the good folk at Skincare Addiction rave about konjac sponges, I had to try them for myself.

Konjac is the root of a plant that’s used in Asian cuisine. It looks a bit like a potato. It appears in noodles and jelly cups, as well as low-carb pasta substitutes (it’s high in glucomannan, a dietary fibre but low in starch, so it’s a great diet food).

Konjac sponges are hard, almost pumice-like sponges which swell up to the texture of a thick sponge when soaked in water. You rub the sponge over your face to gently buff off dead skin cells. They can be used by itself or with cleanser – I prefer to use it over clean skin so I can rinse the sponge out more easily. I’ve tried two different brands of konjac sponges so far: Ecotools and Kuu.


Ecotools Pure Complexion Facial Sponge


Ecotools offers two konjac sponges – a black sponge that’s been impregnated with charcoal that’s marketed for Deep Cleansing, and a white sponge for Sensitive Skin (RRP $14.95). They are sold dry, and are shaped like a teardrop.

The Deep Cleansing sponge is ever so slightly rougher than the Sensitive Skin sponge. Both sponges are advertised to last between 1 and 3 months of daily use.


Kuu Konjac Sponge With French Red Clay

The Kuu Konjac sponge with French Red Clay (RRP $9.95) comes wet in an airtight packet. It has a string attached to allow for quicker drying. It’s advertised to last for 2-3 months of daily use.


The version I have contains French Red Clay and is aimed at dry, sensitive and mature skin. There are other versions available, with green clay (oily/combo), bamboo charcoal (acne) or no additives. The marketing makes zero scientific sense, but the sponge itself is pretty good.


The Ecotools sponges feel a little less substantial than the Kuu sponge, and take a fair bit longer to dry as well, probably due to the lack of a hanging string. The Kuu sponge is also a bit cheaper compared to the Ecotools Australian retail price, but the Ecotools sponges are much easier to find in stores than the Kuu ones. Additionally, I’m not sure how I feel about Kuu’s marketing – nonsensical phrases like “No Chemicals” and “Naturally pH balanced alkaline” make me hesitant to buy.


Overall verdict

I like the konjac sponges for their gentleness, but they don’t seem to do as much for small flakes of dead skin as a peeling gel. I also like the fact they’re reuseable tools rather than wash-off products, which makes them a bit more eco-friendly than a peeling gel, but the fact they take a long time to dry makes me wonder about how much bacteria and mould they might harbour. I can definitely see why people rave about them, but personally, peeling gels still get my vote!

These products were provided for editorial consideration, which did not affect my opinion. For more information, see Disclosure Policy.

Skincare Guide

Related Posts

8 thoughts on “Konjac Sponge Review: Ecotools and Kuu”

  1. These have been intriguing me indeed! I’m a bit sceptical about the bacteria side of things too, but I guess if you’re changing them as recommended, it isn’t a huge deal. I think I’ll still definitely try one of these out for myself!

    Tasha // shiwashiful.

  2. I tried the EcoTools sponge for sensitive skin and found it wasn’t any better than using a wash cloth which I prefer because they can be hung to dry quickly and laundered regularly. Personally not a fan of this konjac sponge trend. Why are people so sponge mad right now?

    • I actually haven’t tried a washcloth in years – from memory this feels a bit more thorough but I can totally see the hygienic advantage! I do think part of the sponge fad is the “Asian mystique”/novelty angle.

  3. I recently bought the sensitive skin sponge from EcoTools and I really like it. It’s better than just my fingers, though it doesn’t replace a real scrub. It doesn’t dry out if I leave it in the shower, but if it’s set on my skin further away from the steaming water it dries out better. The first thing I thought when I took it out of the box was that I wished they had given it a cord to hang it from, though!


Leave a Comment