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Are We Overtreating Skin?

There is a certain appeal to doing more (it seems in every aspect of life, unfortunately).  Specifically in the treatment room this equates to more exfoliation, more intensive treatments, modalities,...

There is a certain appeal to doing more (it seems in every aspect of life, unfortunately).  Specifically in the treatment room this equates to more exfoliation, more intensive treatments, modalities, and more visible results in less time. As an industry, we've become incredibly good at finding new ways to correct, resurface and transform the skin. And while these advancements have given us some remarkable tools, we think it's worth asking whether our enthusiasm for doing more has occasionally gotten ahead of our understanding of when to do less.

We don't believe aggressive treatments are inherently bad. In fact, there is a time and place for many of them, and some of the most exciting developments in professional skincare (talking to you Green Sea Peel) involve sophisticated methods of stimulating change within the skin. But we do wonder whether we've started to associate the intensity of a treatment with its effectiveness. Whether more peeling means better exfoliation or more steps in a protocol somehow make it more valuable.

The reality is that skin doesn't necessarily work that way. And as professionals, we think we owe it to ourselves and our clients to understand why.

The skin is constantly working to maintain itself by regulating water loss, responding to environmental stressors, participating in immune defense, not to mention its continuously working to renew its outer layers.  These processes are happening whether we're intervening or not.

The stratum corneum, for example, is often described simply as a layer of dead skin cells. And while that's technically true in a conventional biological sense, it doesn't mean they are biologically irrelevent, inert or simply waiting to be exfoliated. 

The stratum corneum is a highly organized barrier composed of corneocytes surrounded by a lipid matrix containing ceramides, cholesterol, and free fatty acids. This arrangement is essential for maintaining hydration and limiting the penetration of external irritants. It is a remarkably sophisticated structure that participates in barrier protection, hydration regulation, desquamation, and signaling processes. Importantly, some of these functions depend on enzymes and proteins that remain active within this outermost layer.

Even the skin's naturally acidic pH serves a purpose beyond what we might traditionally associate with skincare. Research has shown that this acidic environment plays an important role in barrier function, enzyme activity, and the regulation of the skin's microbial environment. It's one of many examples of how the skin maintains a carefully regulated balance.

When we introduce exfoliating acids, resurfacing treatments, or other corrective modalities, we're interacting with these systems. Sometimes we're intentionally disrupting them to encourage a desired response. That's not necessarily a problem. Controlled injury has a well-established role in dermatology. But there's a difference between creating a purposeful biological response and introducing more disruption than the skin needs or can comfortably recover from.  And we think that distinction deserves more attention.

So when did more become better?

Somewhere along the way, we've developed a tendency to equate a more intensive treatment with a more advanced one. A protocol with several corrective steps can feel more comprehensive than one with only a few. Or a stronger peel can seem more impressive than a superficial one. And lets be honest, when clients are investing in professional treatments, there's sometimes an unspoken expectation that they should be able to see or feel something significant afterward.

But the science of chemical exfoliation reminds us that treatment depth and intensity come with trade-offs.

Chemical peels are well-established interventions for concerns such as acne, uneven pigmentation, and photoaging. Their effects depend on several variables, including the peeling agent, formulation, concentration, pH, application technique, and resulting depth. Different treatments are designed to accomplish different things, and increasing the intensity doesn't automatically improve the outcome.

In fact, published dermatologic literature has documented that deeper chemical peels carry greater risks of complications, including prolonged erythema, pigmentary changes, and scarring. These risks don't make deeper peels inappropriate, but they do reinforce the importance of choosing the right treatment for the right person.

What interests us even more is how this applies to the way we build protocols. We have access to so many wonderful products and modalities that it's tempting to incorporate several into a single service. Each step might have a reasonable purpose on its own, but that doesn't necessarily mean every step is needed together.

We think it's worth getting into the habit of asking ourselves what each part of a protocol is actually contributing. Is it improving the outcome? Is it necessary for this particular client? Or are we including it because it's available, because we've always done it, or because we feel a more elaborate service is somehow more valuable?

There's nothing inherently wrong with a multi-step treatment. Some combinations are thoughtfully designed and supported by clinical evidence. But complexity and effectiveness are not the same thing, and we shouldn't confuse the two.

One of the more interesting contradictions in skincare is our relationship with inflammation. On one hand, we understand that chronic or excessive inflammation can contribute to a number of skin concerns. On the other, many of our corrective treatments intentionally create an inflammatory or wound-healing response.

Both things can be true.

Inflammation is a normal biological process and an essential part of tissue repair. Certain procedures rely on controlled injury to initiate remodeling and other therapeutic responses. But the presence of inflammation doesn't automatically tell us whether that response will be beneficial, or whether the degree of injury was appropriate.

This is particularly important when we're evaluating visible reactions after treatment. Redness, tightness, and peeling may be expected with certain procedures, but a more dramatic reaction doesn't necessarily mean a more successful treatment. We have to consider what we're treating, how the skin is responding, and whether that response is consistent with the intended outcome.

Pigmentation is a good example of why this matters. Post-inflammatory hyperpigmentation occurs when inflammation or injury contributes to increased pigment production or abnormal pigment distribution. It's especially relevant when working with clients who are prone to developing discoloration following inflammatory events.

A 2024 systematic review of treatments for post-inflammatory hyperpigmentation in skin of color highlighted both the challenges of treating this condition and the possibility of pigmentation worsening following certain interventions. This is an important reminder that the very processes we use to improve discoloration can, under the wrong circumstances, contribute to additional pigmentation.

For us, this reinforces the importance of approaching correction with a little more nuance. 

Alright, we talk a lot about treatments, what about recovery?

Something we find interesting about our industry is how much attention we give to the treatment itself compared with what happens afterward. We love discussing ingredients, technologies and the exciting things we can accomplish. But the skin's response doesn't end when the client leaves our care.

Recovery is part of the process, and in many cases, it's essential to achieving the outcome we're trying to create.

When the epidermal barrier is disrupted, the skin initiates processes to restore its function. This involves changes in lipid synthesis and organization, epidermal differentiation, and other mechanisms that help reestablish barrier integrity. Research on skin barrier repair has demonstrated the importance of physiologic lipids, particularly ceramides, cholesterol, and free fatty acids, in supporting this process.

There's also substantial clinical evidence supporting the role of moisturizers and barrier care in managing compromised skin, particularly in conditions such as atopic dermatitis. While that research doesn't translate directly to every professional aesthetic procedure, it does reinforce something fundamental: maintaining barrier function is an important therapeutic objective in its own right.

We think we could benefit from placing more emphasis on what happens between professional treatments. Not simply recommending a few post-care products, but really considering how a client's daily routine, environmental exposures, and treatment frequency influence the skin's ability to recover.

So, a parting question we have to ask is: collectively, should we rethink what makes a treatment successful?

Immediate results are exciting and clients love leaving an appointment feeling that their skin looks noticeably different, and there's certainly value in that experience. But immediate appearance doesn't tell us everything about the quality of a treatment.

The more important questions to ask:

+ How does the skin look a week later? 

+ How well did the client tolerate the procedure?

+ Was the recovery consistent with what we expected?

+ Are we seeing meaningful improvement over time?

At Kin Aesthetics, we've always been drawn to the relationship between tradition and innovation. We believe in the possibilities of advanced professional skincare, but we also believe that the fundamentals of skin physiology should guide how those advancements are used.

We don't think the future of professional skincare needs to be defined by doing less or doing more. We think it should be defined by doing things with greater intention

 

Scientific References

  1. Ananthapadmanabhan KP, et al. (2004). Cleansing Without Compromise: The Impact of Cleansers on the Skin Barrier and the Technology of Mild Cleansing. Dermatologic Therapy.

  2. The Skin Acid Mantle: An Update on Skin pH. (2024). 

  3. Complications of Medium Depth and Deep Chemical Peels. (2012). Journal of Cutaneous and Aesthetic Surgery. 

  4. Treatment of Post-Inflammatory Hyperpigmentation in Skin of Colour: A Systematic Review. (2024).

  5. The stratum corneum: a double paradox (2028).
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