Eczema Explained: Causes, Triggers, and the Best Barrier-Repair Skincare for Sensitive Skin

Eczema is one of the most common chronic skin concerns, yet it often feels confusing, inconsistent, and unpredictable. Flare-ups can appear without warning, everyday habits can suddenly cause irritation, and even products labeled “gentle” may leave the skin feeling tight, itchy, or sensitized.

If you have sensitive, dry and reactive skin — or if you experience occasional eczema flare-ups — understanding what’s actually happening beneath the surface can make caring for your skin far less overwhelming. This guide breaks down the fundamentals of eczema, why it affects the skin barrier, and the daily habits and ingredients that can help keep skin feeling more balanced and resilient.

 

What Exactly Is Eczema?

Eczema (also known as atopic dermatitis) is a chronic, inflammatory skin condition characterized by:

• • Dryness
  • Visible redness
  • Rough or flaky patches
  • Itchiness
  • Sensitivity to environmental triggers

While symptoms vary from person to person, eczema tends to show up when the skin barrier is compromised. In other words: the outermost layer of the skin becomes less effective at holding onto moisture and protecting against external stressors.

Even in periods where the skin looks “clear,” deeper structural dryness and sensitivity may still be present beneath the surface, which is why ongoing support is key.

 

What Causes Eczema Flare-Ups?

Eczema is multifactorial, meaning multiple elements influence flare-ups:

• • Genetics
  • A naturally weakened or compromised barrier
  • Environmental stressors (wind, cold, heat, pollution)
  • Harsh cleansers or exfoliants
  • Fragrance or certain preservatives
  • Stress and lack of sleep
  • Hormonal shifts
  • Dry indoor air
  • Overwashing or over-exfoliating
  • The tricky part? Triggers can shift over time. What worked for your skin last year may suddenly feel too strong or irritating today.

 

How Eczema Affects the Skin Barrier

To understand eczema, it helps to think of the skin barrier as a brick wall:

• • The bricks = skin cells
  • The mortar = ceramides, lipids, and natural moisturizers that hold everything together

In eczema, that mortar becomes weakened or depleted. When that happens:

• • Moisture escapes more easily
  • Irritation enters more easily
  • The skin becomes dry, itchy, or reactive
  • Redness may become more visible
  • Skin struggles to recover after environmental stress
  • Supporting the barrier isn’t just about treating eczema itself, it’s also about improving the skin’s resilience, comfort, and hydration so flare-ups feel less intense and the skin stays steadier day to day.

 

Why Barrier Repair Is Key for Eczema-Prone Skin

When the skin barrier is functioning properly, it acts as a protective shield by keeping moisture in and irritants out. But with eczema, that barrier is often compromised, leaving the skin more vulnerable to dryness, inflammation, and sensitivity.

The good news? You don't have to "cure" eczema to feel more comfortable in your skin. By focusing on barrier support, you can help reduce flare-up frequency, calm existing irritation, and build long-term resilience.

Supporting the skin barrier means prioritizing gentle hydration, lipid replenishment, and protective habits.

 

Daily Habits That Help Support Eczema-Prone Skin

Here's what that looks like in practice:

1. Hydrate Inside and Out

Eczema-prone skin loses moisture faster than other skin types, so layering hydration is essential. Don’t forget that your body requires A LOT of water to heal injuries so make sure you’re drinking your healing as well. 

2. Avoid Over-Exfoliating

Even though flaky skin can be frustrating, aggressive exfoliation often makes eczema worse by further weakening the barrier. 

3. Protect Your Skin From Environmental Stressors

Cold air, wind, indoor heating, and hot water can all strip moisture and trigger flare-ups.

Simple protective habits include: showering in lukewarm (not hot) water, wearing soft, breathable fabrics (especially at night) and applying a thin layer of occlusive balm before going outside in cold or windy weather

4. Be Consistent, Not Aggressive

With eczema, the goal isn't to "fix" your skin overnight. It's to support it consistently so it becomes more stable over time. 

Eczema isn't something you have to fight. It's something you can learn to support. By focusing on barrier care you can help your skin feel calmer, more comfortable, and better equipped to handle daily stressors.

 

Best Ingredients for Eczema-Prone and Sensitive Skin

When caring for eczema-prone or sensitive skin, choosing the right ingredients can make all the difference. You want your products to support, soothe, and strengthen the barrier with targeted, gentle ingredients that work with your skin's natural repair processes.

Here are four powerhouse ingredients that are particularly beneficial for reactive, dry, or eczema-prone skin:

Ectoin

Ectoin is a naturally derived molecule that acts as a cellular protector. Originally discovered in extremophile bacteria that survive in harsh desert conditions, ectoin helps skin cells maintain their structure and function even under stress.

What it does:

• • Protects against environmental stressors (pollution, UV, heat, cold)
  • Reduces inflammation and irritation
  • Supports long-term barrier resilience
  • Hydrates at a deep cellular level

Why we love it: Ectoin helps the skin adapt and recover from triggers that would normally cause flare-ups. It's especially helpful for skin that reacts to changes in weather, stress, or indoor heating.

Sources: 

• • U. Heinrich, B. Garbe, and H. Tronnier, "In vivo Assessment of Ectoin: A Randomized, Vehicle Controlled Clinical Trial," Skin Pharmacol. Physiol., vol. 20, pp. 211–8, Feb. 2007, doi: 10.1159/000103204.
  • A. Bownik and Z. Stępniewska, "Ectoine as a promising protective agent in humans and animals," Arch. Ind. Hyg. Toxicol., vol. 67, no. 4, pp. 260–265, Dec. 2016, doi: 10.1515/aiht-2016-67-2837.

Beta-Glucan

Beta-glucan is a natural polysaccharide derived from sources like oats, yeast, and mushrooms. It's known for its soothing and calming properties, making it a go-to ingredient for irritated or inflamed skin.

What it does:

• • Deeply hydrates and locks in moisture
  • Calms redness and reduces the appearance of irritation
  • Supports the skin's immune response
  • Promotes faster healing of dry, damaged areas

Why we love it: Beta-glucan is gentle enough for even the most reactive skin, and it provides immediate comfort while supporting long-term barrier health. It's particularly effective at reducing the itchiness and tightness that often accompany eczema flare-ups.

Sources:

• The Journal of Nutritional Biochemistry Volume 61, November 2018, Pages 101-110. Bashir I M K, Choi J. "Clinical and Physiological Perspectives of β-Glucans: The Past, Present, and Future," International Journal of Molecular Sciences, vol. 18, no. 9, pp. 1906-1906, 2017.
• Sousa P, Tavares-Valente D, Amorim M, Azevedo-Silva J, Pintado M, Fernandes J. β-Glucan extracts as high-value multifunctional ingredients for skin health: A review. Carbohydr Polym. 2023 Dec 15;322:121329. doi: 10.1016/j.carbpol.2023.121329. Epub 2023 Aug 23. PMID: 37839841.

Madecassoside

Madecassoside is the gentle but effective calming compound in Centella asiatica (Tiger Grass Plant), a plant long valued for its ability to comfort and support reactive skin. It’s especially helpful for skin that’s easily overwhelmed, including sensitive or eczema-prone types that benefit from added care and barrier support.

What it does:

• • Helps visibly reduce redness and signs of irritation
  • Supports the skin’s natural barrier-repair process
  • Provides a soothing, comforting effect for reactive skin
  • Helps improve moisture retention
  • Contributes to a smoother, more even-looking complexion
  • Enhances overall skin comfort during weather or environmental stress

Why we love it: Madecassoside is known to be an effective ingredient for calming the look of stressed skin while supporting a healthier barrier over time. It brings steadiness to skin that reacts easily, helping it feel more balanced, comfortable, and resilient with consistent use.

Sources: 

• • X. Shen, M. Guo, H. Yu, D. Liu, Z. Lu, and Y. Lu, “Propionibacterium acnes related anti-inflammation and skin hydration activities of madecassoside, a pentacyclic triterpene saponin from Centella asiatica,” Biosci. Biotechnol. Biochem., vol. 83, no. 3, pp. 561–568, Mar. 2019, doi: 10.1080/09168451.2018.1547627. 
  • F. Bonté, M. Dumas, C. Chaudagne, and A. Meybeck, “[Comparative activity of asiaticoside and madecassoside on type I and III collagen synthesis by cultured human fibroblasts],” Ann. Pharm. Fr., vol. 53, no. 1, pp. 38–42, 1995.
  • Bandopadhyay S, Mandal S, Ghorai M, Jha NK, Kumar M, Radha, Ghosh A, Proćków J, Pérez de la Lastra JM, Dey A. Therapeutic properties and pharmacological activities of asiaticoside and madecassoside: A review. J Cell Mol Med. 2023 Mar;27(5):593-608. doi: 10.1111/jcmm.17635. Epub 2023 Feb 8. PMID: 36756687; PMCID: PMC9983323.

Betaine

Betaine is a naturally occurring amino acid derivative (often sourced from sugar beets) that functions as a humectant and osmoprotectant. This means it attracts moisture to the skin and helps cells maintain proper hydration, even in challenging conditions.

What it does:

• • Draws moisture into the skin and holds it there
  • Protects against dehydration and environmental stress
  • Soothes irritation and supports a balanced skin surface
  • Improves skin softness and comfort

Why we love it: Betaine is incredibly gentle and works well with other ingredients, making it a perfect addition to minimalist, barrier-focused routines. It provides lightweight hydration without feeling heavy or greasy, and helps keep the skin comfortable throughout the day.

Sources: 

• • Warskulat D., A. Reinen, S. Grether-Beck, J. Krutmann and D. Häussinger. Joumal of investigative Dermatology (2004) 123, 516-521.
  • Warskulat, D., BrookmannS, Reinen A, Häussinger D. Biol Chem. (2007)388(12):1345-52.
  • Warskulat. U. et a., "UV-A induces transport of compatible organic osmolytes in dermal fibroblasts", Exp, Dermatol. 17,1031-1036 (2008).

 

How to Use Barrier-Repair Ingredients in Your Routine

The beauty of these four ingredients is that they work synergistically, meaning they support and enhance each other's benefits when used together.

You don't need a 10-step routine to see results. Look for simple, well-formulated products that combine these ingredients in a way that respects your skin's sensitivity.

For example:

• • Terra Root’s The Recovery Serum with ectoin and beta-glucan for soothing and protection
  • Terra Roots The Everyday Cream with madecassoside and betaine for hydration and barrier repair

Layering these products together creates a complete barrier-support system without overwhelming the skin

When your skin is reactive, dry, or eczema-prone, the right science-backed ingredients can help you move from managing flare-ups to building resilience.

 

But modern barrier science is only part of the story.

For centuries, Traditional Chinese Medicine (TCM) has recognized that sensitive, reactive skin isn't just a surface issue, it's also a reflection of deeper imbalance. TCM approaches skin health holistically, using time-tested herbal remedies to calm inflammation, restore harmony, and support the body's natural healing processes.

So we decided to pair cutting-edge barrier science with ancient herbal wisdom so that our formulas work on multiple levels: soothing immediate discomfort while supporting long-term skin health.

The TCM Ingredients for Sensitive, Eczema-Prone Skin

Traditional Chinese Medicine has used specific herbs for thousands of years to address skin sensitivity, redness, and inflammation. These botanicals are functionally active, meaning they work with the skin's natural processes to reduce reactivity and promote balance.

Our formulas feature four carefully selected TCM herbs, each with a unique role in supporting sensitive, eczema-prone skin:

Jujube (Red Date)

In TCM, jujube is known as a “harmonizing herb.” It calms the mind, nourishes the body, and helps balance other ingredients in a formula. It's often used to soothe restlessness and promote inner calm, which is why it's been a staple in traditional remedies for centuries.

What it does for skin:

• • Provides antioxidant protection against environmental stress
  • Helps calm visible redness and irritation
  • Supports the skin's natural barrier function
  • Promotes a sense of balance and resilience

Why we love it: Jujube works gently to reduce reactivity without overstimulating the skin. It's particularly helpful for skin that feels easily overwhelmed or stressed by external triggers.

Sources: 

• • Chen, J., Li, W. T. C., Li, Z., et al. (2016). Extract of Ziziphus jujuba Fruit (Jujube) Stimulates Expression of Enzymes Responsible for Heme Recycle via Anti-oxidant Response Element in Cultured Murine Macrophages. Phytotherapy Research, 30(2), 267–271.
  • Mesaik M A, Poh W H, Bin Y O, et al. "In Vivo Anti-Inflammatory, Anti-Bacterial and Anti-Diarrhoeal Activity of Ziziphus Jujuba Fruit Extract," Open Access Macedonian Journal of Medical Sciences, vol. 6, no. 5, pp. 757-766, 2018.
  • Choi, S. Y., & Kim, Y. C. (2009). Alleviative Effects of Jujube Water Extract on the Inflammation and Barrier Damage in Hairless Mice Skin. Journal of Environmental Toxicology, 24(4), 351–357.

White Peony

White peony root is one of the most revered herbs in TCM for calming inflammation and supporting blood circulation. It's traditionally used to cool heat, reduce redness, and bring the body back into balance.

What it does for skin:

• • Calms inflammation and soothes irritated skin
  • Reduces the appearance of redness and uneven tone
  • Supports skin clarity and brightness
  • Works synergistically with other calming ingredients

Why we love it: White peony is especially effective for skin that experiences inflammatory flare-ups. It helps tone down the body's overactive immune response, which is often at the root of symptoms.

Sources:

• • Dong-Yi He, Sheng-Ming Dai. Anti-inflammatory and immunomodulatory effects of Paeonia lactiflora Pall., a traditional Chinese herbal medicine. Front Pharmacol. 2011 Feb 25;2:10. doi: 10.3389/fphar.2011.00010.
  • Min Jeong Kim et al. Paeonia lactiflora Root Extract and Its Components Reduce Biomarkers of Early Atherosclerosis via Anti-Inflammatory and Antioxidant Effects In Vitro and In Vivo. Antioxidants 2021, 10(10), 1507; https://doi.org/10.3390/antiox10101507
  • Qiu J, Chen M, Liu J, Huang X, Chen J, Zhou L, Ma J, Sextius P, Pena AM, Cai Z, Jeulin S. The skin-depigmenting potential of Paeonia lactiflora root extract and paeoniflorin: in vitro evaluation using reconstructed pigmented human epidermis. Int J Cosmet Sci. 2016 Oct;38(5):444-51. doi: 10.1111/ics.12309. Epub 2016 Mar 4. PMID: 26826350.

Licorice Root

Licorice root is a cornerstone of TCM herbal medicine, valued for its ability to harmonize formulas and reduce inflammation. It's gentle enough for sensitive skin, yet powerful enough to address deeper imbalances.

What it does for skin:

• • Reduces visible redness and irritation
  • Brightens the appearance of dark spots and uneven tone
  • Calms reactive skin and supports barrier health
  • Provides anti-inflammatory and antioxidant benefits

Why we love it: Licorice root is one of the most well-researched botanicals for calming inflamed skin. It works on multiple pathways to reduce the triggers that can lead to flare-ups, making it ideal for long-term support.

Sources: 

• • Hasan MK, Ara I, Mondal MSA, Kabir Y. Phytochemistry, pharmacological activity, and potential health benefits of Glycyrrhiza glabra. Heliyon. 2021 Jun 7;7(6):e07240. doi: 10.1016/j.heliyon.2021.e07240. PMID: 34189299; PMCID: PMC8220166.
  • Shin, Y. W., Bae, E. A., Lee, B., Lee, S. H., Kim, J. A., Kim, Y. S., & Kim, D. H. (2007). In vitro and in vivo antiallergic effects of Glycyrrhiza glabra and its components. Planta Medica, *73*(3), 257–261.DOI: 10.1055/s-2007-967126.

Skullcap Root

Skullcap root (also known as Baical Skullcap) is a powerful anti-inflammatory herb in TCM, traditionally used to clear heat, reduce swelling, and calm overactive immune responses.

What it does for skin:

• • Reduces inflammation at a cellular level
  • Soothes itching and discomfort
  • Protects against oxidative stress
  • Supports the skin's natural healing process

Why we love it: Skullcap root is particularly effective for skin that experiences itching, burning, or reactive flare-ups. It helps interrupt the inflammatory cycle, giving the skin a chance to recover and rebuild.

Sources: 

• • Dilip Kumar Chanchal, Kuldeep Singh, Bharat Bhushan, Jitendra Singh Chaudhary, Shivendra Kumar, Ajit Kumar Varma, Neha Agnihotri, Akash Garg, An updated review of Chinese skullcap (Scutellaria baicalensis): Emphasis on phytochemical constituents and pharmacological attributes, Pharmacological Research - Modern Chinese Medicine, Volume 9, 2023, 100326, ISSN 2667-1425.

 

The Power of Herbal Synergy in Eczema Care

In TCM, herbs are rarely used alone. Instead, they're carefully combined in formulas where each herb enhances and balances the others, a principle known as herbal synergy.

This is exactly how we've formulated our products at Terra Roots. Jujube, white peony, licorice root, and skullcap root work together to:

• • Calm multiple pathways of inflammation
  • Support the skin's natural healing processes
  • Reduce reactivity and build resilience over time
  • Provide both immediate relief and long-term balance

You can find all four herbs in both The Recovery Serum and The Everyday Cream. This partnership between ancient remedies and cutting-edge research, working together to help your skin feel calmer, more comfortable, and more resilient, naturally.

Don't Fight Your Skin. Support It.

Building Resilience Instead of Chasing a Cure

Living with eczema can feel like a constant battle: fighting flare-ups, trying new products, hoping something will finally "fix" your skin.

The truth is that you don't need to fight your skin. You need to understand it.

Eczema isn't a flaw or a failure. It’s skin telling you it needs more support: more hydration, more protection, more balance.

When you shift from fighting to supporting, everything changes:

• • You stop searching for a "cure" and start building resilience
  • You stop blaming yourself for flare-ups and start identifying triggers
  • You stop feeling helpless and start feeling empowered

Your skin doesn't need to be perfect. It just needs to be cared for gently, consistently, and with ingredients that actually work with your body's natural processes.

At Terra Roots, that's exactly what we've created: a simple, science-backed, holistically formulated approach to eczema care that respects both modern research and ancient wisdom.

Because your skin deserves more than quick fixes. It deserves real support.

Ready to start? Explore The Recovery Serum and The Everyday Cream — formulated specifically for sensitive, dry, and eczema-prone skin that needs balance, not battle.