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Skin Health Masterclass: Nurturing Your Skin Barrier
The skin barrier is more than a simple layer: it is a team of skin cells, fats and proteins working together to keep outside threats out. Here is what it does and how to look after it.
Contents of this article
Key takeaways from this article
- The skin barrier is made of skin cells, fats and proteins that work together to keep harmful things out.
- It manages water, stopping skin from losing too much moisture and keeping it flexible.
- Harsh cleansers and abrasive exfoliants can compromise it; pH-balanced cleansers and gentle exfoliation help preserve it.
- Moisturizing, broad-spectrum sunscreen and a diet rich in antioxidants and essential fatty acids all support barrier function.
What your skin barrier does
1. Protection
The skin barrier acts like a bodyguard, always on alert to keep harmful stuff out. With its strong structure and special chemicals, it stops germs and toxins from getting into our skin (Proksch et al., 2008).
2. Hydration
Think of the skin barrier like a water manager. It makes sure our skin doesn't lose too much water, keeping it moist and flexible. This balance is maintained by how the skin cells interact with moisture and fats (Proksch et al., 2008).
3. Controlling what gets in
The skin barrier works more like a gatekeeper than a delivery person. Its outermost layer, the stratum corneum, is built from tough, protein-rich cells set in layers of lipids, and this structure limits how much of what touches the skin can pass through it, while also stopping the unregulated loss of water and solutes from within (Proksch et al., 2008).
How to look after your skin barrier
Ensuring your skin stays strong and healthy is all about having a smart skincare routine. It's important to take care of your skin barrier to keep everything running smoothly and looking its best.
1. Gentle cleansing
Harsh cleansers can damage the proteins and lipids of the skin barrier, leading to dryness, barrier damage and irritation (Ananthapadmanabhan et al., 2004), and abrasive exfoliants may also disrupt its protective function. Opting for pH-balanced cleansers, close to the skin's natural pH of about 5.5, and gentle exfoliation techniques can help preserve barrier integrity while promoting skin renewal (Ananthapadmanabhan et al., 2004; Ali and Yosipovitch, 2013).
2. Moisturizing
Hydration is essential for skin barrier function, as adequate moisture levels are essential for maintaining barrier integrity and preventing transepidermal water loss (Purnamawati et al., 2017). Incorporating fragrance-free hyaluronic acid and Hydrolytic® enzyme based products into your skincare routine can replenish lost moisture and reinforce the skin barrier's hydrophobic seal.
3. Sun protection
Ultraviolet (UV) radiation poses a significant threat to skin barrier integrity, inducing oxidative stress, inflammation, and DNA damage. Broad-spectrum sunscreen formulations, replete with antioxidants and photostable UV filters, offer robust protection against solar radiation, preserving barrier function and mitigating photoaging.
4. Nutritional support
A diet rich in antioxidants, essential fatty acids, and micronutrients provides the building blocks necessary for optimal skin barrier function and repair. Consuming a diverse array of fruits, vegetables, and omega-3 fatty acids promotes skin health from within, bolstering the barrier's resilience against external insults.
Frequently asked questions
What does the skin barrier do?
It protects the skin by keeping germs and toxins out, manages hydration so skin doesn’t lose too much water, and limits how much of what touches the skin can get in.
What can damage the skin barrier?
Harsh cleansers and abrasive exfoliants can compromise its lipid matrix and increase water loss. UV radiation is another significant threat, inducing oxidative stress, inflammation and DNA damage.
How can I support my skin barrier every day?
Use pH-balanced cleansers and gentle exfoliation, moisturize, wear a broad-spectrum sunscreen, and eat a diet rich in antioxidants, essential fatty acids and micronutrients.
Authors
References
- Proksch E, Brandner JM, Jensen JM. The skin: an indispensable barrier. Experimental Dermatology. 2008;17(12):1063-1072. https://doi.org/10.1111/j.1600-0625.2008.00786.x
- Ananthapadmanabhan KP, Moore DJ, Subramanyan K, et al. Cleansing without compromise: the impact of cleansers on the skin barrier and the technology of mild cleansing. Dermatologic Therapy. 2004;17(Suppl 1):16-25. https://doi.org/10.1111/j.1396-0296.2004.04s1002.x
- Ali SM, Yosipovitch G. Skin pH: from basic science to basic skin care. Acta Dermato-Venereologica. 2013;93(3):261-267. https://doi.org/10.2340/00015555-1531
- Purnamawati S, Indrastuti N, Danarti R, et al. The role of moisturizers in addressing various kinds of dermatitis: a review. Clinical Medicine & Research. 2017;15(3-4):75-87. https://doi.org/10.3121/cmr.2017.1363
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ReferencesAuthors
