Have you ever tried a new skincare product, only to discover that it makes your skin flare up with pimples? This could be your skin purging, or it could be your skin reacting to the product and having a regular breakout.
Purging is when your skin is adjusting to the new product. Persevering with the product will eventually make your skin better – in fact, the sudden crop of pimples means that it’s working as intended.
A regular breakout is when your skin is reacting because it’s sensitive to something in the product. It could be clogging your pores, or causing an allergy, or just plain old irritation. Continuing with the product will just make the situation worse.
If your skin is purging, you need to keep going.
If your skin is reacting with a breakout, you need to stop using the product.
How do you tell the difference? Here’s the lowdown:
How a pimple forms
To understand the difference between purging and plain old breakouts, we need to understand how they happen.
Firstly, we need to look at how a pimple forms. A pore becomes clogged – usually by dead skin cells that don’t detach and get to the surface properly – and forms what’s called a microcomedone.
Microcomedones aren’t visible at the surface of the skin. Sometimes they’ll develop into a whitehead, blackhead, pimple or full-blown cyst. Sometimes they’ll go away on their own without you noticing.
It can take up to 8 weeks for a microcomedone to surface.
How purging happens
Here’s how purging can actually work. If a product speeds up skin turnover (the rate at which skin cells are shed and replaced), then the entire cycle will be accelerated.
This means microcomedones will turn into whiteheads, blackheads, pimples or cysts more quickly, so you’ll suddenly see a rush of blemishes rearing their ugly heads.
If the product is irritating (which most skin turnover-accelerating products are), some microcomedones that weren’t going to show up might join the party too. This is because inflammation is one of the factors causing acne.
However, these microcomedones were in the skin before you started the new product, not new blockages caused by the product.
Now, remember how the microcomedone started as dead skin cells that didn’t detach and get to the surface properly? Products that increase skin turnover target this exact process to treat acne!
So as the product starts to work, less microcomedones should form, and after the initial angry-volcano stage your skin should become clearer than when you started the product.
How a reactive breakout happens
On the other hand, a reaction will occur when the product is either causing new clogged pores, or increasing irritation without an improvement in how your skin is functioning. This is because your skin is sensitive to it.
New clogged pores means more blemishes overall, while irritation means inflammation. These contribute to a larger proportion of your microcomedones flaring up.
There’s a small chance that your skin will get used to the product over time, but most of the time you’ll just cause further damage and it’s time to find a better product.
A lot of “all-natural” companies like to claim that their products are causing purging because your skin is detoxifying from all the synthetic chemicals you’ve been using previously – this is a big fat lie. Why would your skin suddenly get angry about having less synthetic chemicals on it? (Even if synthetic chemicals were bad – which they’re not!)
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Unless there’s something increasing skin turnover in the natural skincare product (e.g. fruit acids, which contain AHAs), the more likely explanation is that there’s an irritating ingredient giving your skin grief.
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Is it purging or a plain old breakout?
There are a few things to consider to work out if it’s purging or a reactive breakout, and therefore whether you should dump your product or persevere. A lot of the time it can be difficult to tell which it is, but hopefully these guidelines can help you narrow it down.
What sort of product is it?
Products containing active ingredients that increase skin turnover can cause purging.
Purging is a well-documented response to tretinoin, for example, although you won’t find the term “purging” used in the scientific journals (they use descriptions like “exacerbation of inflammatory lesions at the start of treatment” or “initial flare up of acne lesions (acne flaring)”).
Active ingredients and treatments that increase skin turnover include:
- Hydroxy acids: These are found in chemical exfoliants and include alpha hydroxy acids (AHAs, such as glycolic, lactic, malic, and mandelic acids), beta hydroxy acids (BHAs such as salicylic acid, lipohydroxy acid) and polyhydroxy acids (PHAs such as lactobionic acid and gluconolactone). Sometimes these can also be called “fruit acids”.
- Retinoids: These are derivatives of vitamin A found in many anti-aging products. Examples include retinol, retinal (retinaldehyde), tretinoin (Retin-A), adapalene (Differin), tazarotene, isotretinoin, retinyl retinoate, retinyl palmitate, hydroxypinacolone retinoate (Granactive Retinoid)
- Benzoyl peroxide: Found in anti-acne products including spot treatments, gels and cleansers
- Physical exfoliants: Scrubs, brushes, peeling gels (although these can also be irritating)
- Enzyme exfoliants: “Enzyme masks”, bromelain, papain, actinidin, pumpkin extract, papaya extract, kiwi extract
- In-clinic treatments like chemical peels, lasers, and microdermabrasion
Most other products, like moisturisers and cleansers without these actives, won’t be able to cause purging and it’s likely to be a breakout. You should switch to a different product.
Related: The Essential Guide to Exfoliation
Where are the breakouts occurring?
If it’s purging, it should only make pre-existing microcomedones come to the surface faster, so if you’re breaking out in places where you don’t normally experience breakouts, it’s likely that the product is wrong for you.
However, if it’s an irritating product, it could be making the type of acne you’re experiencing worse.
For example, an area where you used to have clogged bumps and whiteheads could start developing full-blown pimples thanks to the extra inflammation.
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How long is the purge?
Purging should only last for about a month, since that’s the length of time it takes for your upper skin layers (epidermis) to completely renew itself.
If your skin isn’t getting better after around 6-8 weeks with the new product, it’s a good sign that it’s a breakout, and you should ditch the product.
How can I reduce the severity of a purge?
If you’re about to start a new product with an ingredient that can cause purging and you want to limit the severity of a purge, there’s some evidence that introducing the new product slowly can help.
Some strategies you can use:
- starting at a lower concentration
- starting with a smaller amount
- using it less frequently (e.g. once a week at first)
- washing it off after a few minutes
If your skin is tolerating the product without any purging or breakouts, you can gradually increase to the recommended usage.
Helping your skin function at its best will also reduce irritation and speed recovery. This means:
- ensuring that your skin stays hydrated with the use of humectant moisturisers and moisturisers in general
- using a gentle cleansing routine
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- using anti-irritant or antiinflammatory products
- protecting your skin from the sun
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