Carbon Theory Charcoal and Tea Tree Oil Facial Cleansing Bar Review

Updated: Jun 9

If you’re from the UK, you may have heard about Carbon Theory. I received an advert for their Charcoal and Tea Tree Oil facial cleansing bar on Instagram and was immediately intrigued. You might be too when you read these claims:

- Using three ‘powerful natural ingredients’ (Activated Charcoal, Tea Tree Oil and Shea Butter), this soap is ‘dermatologically proven to prevent breakouts and keep your skin clear, balanced and hydrated’.

- This facial cleansing bar will allegedly ‘transform breakout and acne prone skin’ as the Activated Charcoal will ‘draw out dirt and unblock pores’, while Tea Tree Oil will ‘kill bacteria and reduce inflammation’.

Wow, right?

On their website, there are thousands of raving reviews left by fans of the soap.

On their website, I learnt that the soap is vegan friendly and cruelty free, and best of all: it was only £6! For the price, I thought, ‘What have I got to lose?!’

When I received my first order I was immediately impressed with the design of the bar. It is jet black and has Carbon Theory’s logo stamped on it. This facial soap is a bar soap, not a liquid soap such as a gel or foaming cleanser. The facial soap has a mild scent to it, but I do not think it has added fragrance.

The soap arrived in a resealable plastic pouch but now Carbon Theory have started selling plastic-free bars that come in a paper wrapping and paper packing materials, which is great for those who are trying to live low-waste lifestyles (like me!)

How to use this cleanser

To use the soap, just lather it up in your hands and it’ll produce a loose foam. The directions on the packaging say to use the foam to wash your face, leave the foam on your face for 30 seconds, then rinse off. It’s not a foaming cleanser so don’t expect a thick foam, but it’s pleasant on the face. I try to avoid foaming cleansers anyway as I have heard they can be drying to the skin because of the surfactants included in the soaps. Carbon Theory recommends using this soap morning and night in order to see improvements in the skin.

So, does it work?

I find that this cleanser washes my skin without leaving it feeling dry. I think this is in part due to the Shea Butter added in the bar, which helps to hydrate while the bar cleanses.

I have not personally found that this cleanser has had much of an effect on my pimples. Although I don’t have inflammatory acne, I just get whiteheads on my cheeks, forehead and chin, I have not noticed a reduction in breakouts. This is disappointing, but there are so many other benefits with this cleanser that I have repurchased twice now!

Is it worth the price?

For £6, it is absolutely worth it in my opinion. This soap lasts me ages; using this cleanser day and night, one bar can last me upwards of 4 months. That works out at £1.50 a month!

Because the cleanser is a solid bar soap, there are no issues regarding carrying liquids when travelling (which frees up some well-needed space in your carry-on cosmetics bag), which is a fantastic benefit. Another bonus for me is that it is plastic free! I have found a sustainable and affordable cleanser which actually works for my skin. And let’s not forget it’s vegan and cruelty free!

For now, I will continue repurchasing Carbon Theory’s facial soap. I am happy with how it leaves my skin and it has many benefits for me, so unless I’m recommended the ultimate spot-busting cleanser, I will be using this one for a while longer!

Had you heard of this cleanser before? Do you fear using bar soaps on the face?

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#carbontheory #zerowaste #lowwaste #plasticfree #skincare

Hi, I'm Jazmin. Welcome to my blog!


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