Unlike conventional apparel, care-wear integrates bioactive technologies, such as prebiotics, antimicrobials, moisturising finishes, and UV protection, that interact directly with heat, moisture, and friction.
Because clothing remains in close contact with the body for hours every day, researchers and textile designers are beginning to view everyday fabrics as a critical environmental factor that directly shapes the health of the skin barrier.
But what exactly is care-wear, is it medically proven to have benefits and how much can clothing realistically do for the skin?
More than just clothing
Care-wear is not currently a formal medical or dermatological category. Dr Judey Pretorius, a biomedical scientist and founder of Biomedical Emporium, describes it as a concept within functional textiles.
“It is better understood as a functional-textile concept in which clothing is designed not merely to cover the body, but to interact with the skin environment in a potentially beneficial way,” she says.
Unlike conventional clothing, care-wear can incorporate different active or bioactive technologies.
“Care-wear goes a step further by incorporating active or bioactive functionality, for example prebiotics, probiotics, moisturising agents, antimicrobial technologies, pH-modulating finishes or UV protection.
“So scientifically, I would describe care-wear as ‘functional clothing designed to influence the skin microenvironment’, rather than simply calling it clothing that ‘treats the skin,” Pretorius says.
The skin microbiome is part of the picture
One of the areas where care-wear intersects with skincare is the skin microbiome. Pretorius explains that the microbiome is closely connected to the skin’s barrier and immune system.
“It is a complex ecosystem of bacteria, fungi and other microorganisms that interacts continuously with the skin barrier and immune system,” she says.
The clothing we wear can also form part of the environment surrounding the skin.
“Research indicates that clothing can influence the skin and textile microbiomes through moisture, fibre characteristics, washing, friction and occlusion.
“Clothing is in contact with the skin for many hours every day. In that sense, it is reasonable to regard clothing as one environmental factor capable of influencing the skin ecosystem,” Pretorius explains.
What happens when probiotics meet fabric
Probiotics and prebiotics have become increasingly familiar in skincare, but incorporating them into clothing introduces another way of delivering these technologies.
Pretorius explains that probiotics generally refer to live microorganisms, while prebiotics are substances intended to support the growth or activity of beneficial microorganisms.
“A bioactive textile can be engineered so that microorganisms or their components are released from the textile when exposed to moisture, heat, friction or skin contact.
“Some textile technologies have demonstrated transfer of their active components to skin in wear studies,” she says.
However, the presence of an active ingredient in a garment does not automatically establish that wearing it will produce a particular skincare benefit.
According to Pretorius, the strength of a care-wear claim depends on the technology used and the evidence supporting the specific benefit being claimed.
Sweat, heat and friction can change the skin environment
The conditions created between clothing and skin can also influence the skin environment, particularly when heat, sweat and occlusion are involved.
“Heat + sweat + occlusion increases humidity at the skin surface. That can alter the local microbial environment and can contribute to irritation, particularly when sweat remains trapped against the skin,” Pretorius explains.
She adds that perspiration can also affect the skin’s pH, which may contribute to changes in bacterial populations.
This makes factors such as breathability, moisture management and friction important considerations when looking at how clothing interacts with the skin.
Sensitive skin needs more than an active ingredient
For people with sensitive or easily irritated skin, the fabric itself can be just as important as any skincare technology incorporated into the garment.
“For sensitive skin, the physical properties and texture of the garment may be at least as important as the active ingredient. A soft, low-friction, breathable textile can reduce mechanical irritation,” Pretorius shares.
Pretorius also points to clinical evidence that modifying fabric softness can reduce friction and improve dryness in people with atopic or dry skin.
At the same time, she cautions that adding biologically active substances to clothing such as textile dyes, finishing agents, fragrances, preservatives and other chemical treatments can introduce another consideration: the possibility of irritation or allergic reactions.
The claims need to match the evidence
For consumers considering care-wear, Pretorius says there is an important distinction between what a garment contains and what it can actually do.
“Consumers should distinguish between: ‘This fabric or textile contains X’ and ‘Wearing this fabric or textile produces Y biological benefit',” she says.
Evidence from wear studies, skin testing and clinical research can help determine whether a claimed benefit extends beyond simply having an active substance incorporated into the textile.
Care-wear is not a replacement for skincare
While care-wear may incorporate technologies associated with skincare and skin health, Pretorius does not view it as a substitute for conventional skincare.
“No, never - skincare and care-wear are complementary to each other,” she says.
“A garment can potentially improve the environment in which the skin exists. It can influence friction, humidity, temperature, hydration and potentially microbial interactions,” she explains.
The distinction is important: care-wear is designed to influence the conditions surrounding the skin, rather than replace products or treatments intended specifically for skincare.
Where care-wear could be heading
As textile technology develops, the idea of clothing having a biological interaction with the skin could become more common.
“We now understand that clothing is not biologically inert. It creates a microenvironment that affects temperature, humidity, friction, hydration, barrier function and microbial ecology,” says Pretorius.
She adds that there is experimental and clinical evidence demonstrating that textile properties can alter measurable skin parameters.
For Pretorius, the science behind care-wear is therefore worth exploring, while the claims made about individual products still need to be considered carefully.
“Care-wear is not pseudoscience, but neither is it yet equivalent to dermatological skincare,” she says.
kamogelo.makhura@nationalmg.co.za