If you've found your way here, chances are you understand the challenges of living with sensitive skin. You've likely had your fair share of "why am I itching?" moments. You may have wondered how you can benefit from skincare routines for hydration, anti-aging, and radiance when your skin tends to "get angry", react, or flare up at the slightest mention of a new product.
If this sounds familiar, you're not alone.
Let's unpack the mystery behind sensitive skin; what it is, what causes it, and how you can care for your skin in a way that feels supportive, not frustrating.
What Causes Sensitive Skin?
First, let's clear something up.
You are not broken.
Nothing is inherently wrong with your skin if it tends to be reactive to certain products or environmental triggers. Sensitive skin develops due to a combination of two main factors;
Genetic predisposition and skin barrier breakdown.
Yes, some people are genetically more likely to develop skin sensitivity, but genetics are only part of the story. Luckily, the second factor, skin barrier breakdown, is something we can control and influence for the better.
What Is the Skin Barrier?
To understand sensitive skin, we need to understand how skin is structured.
Your skin is made up of these four layers;
- Stratum corneum
- Epidermis (outer living layer)
- Dermis (middle layer)
- Hypodermis (inner layer)
The stratum corneum is the outermost layer of your skin and the one directly in contact with the environment. It is composed of flat, dead skin cells (called keratinocytes) with lipids (fats) between cells, holding the structure together.
Think of this structure like a brick wall:
- The cells are the bricks
- The lipids are the mortar
This layer acts as the primary, protective barrier that defends the underlying living layers, holding in moisture and keeping irritants out. Despite being a nonliving layer, it plays a vital role in skin health, and needs support to function at its best.
What Causes Skin Barrier Breakdown?
At its simplest, skin barrier breakdown happens due to two main types of stress;
1. Environmental Damage
- Sun and UV exposure
- Cold temperature and wind
- Pollution
- Dry air
2. Physical Damage
- Over-exfoliation
- Excessive washing
- Harsh cleansers
- Scratching or picking
- Overuse of active ingredients
When this outer layer becomes compromised, moisture escapes and skin becomes more sensitive to irritants. This leads to dryness, flakiness, dullness, redness, inflammation, breakouts, and heightened sensitivity.
A weakened barrier leads to unhealthy, reactive skin that loses its radiance, smoothness and plumpness.
How Can You Prevent Skin Barrier Breakdown
You can protect and strengthen your skin barrier by using a gentle, consistent approach.
Key supports include;
- Well-formulated skincare
- Nutrient-rich diet
- Adequate hydration
- Limiting alcohol consumption
- Sun protection (SPF 30+)
You can also avoid the following products in your skincare routine;
- Harsh exfoliants
- Stripping cleansers
- Drying alcohols (note: not all alcohols are drying)
- Artificial fragrances
- Essential oils used in excessive doses (see IFRA standards for essential oils).
What Should You Look for in Barrier-protective Skincare?
Certain ingredients can be used to protect the integrity of the skin barrier and/or restore its structure by replenishing lost lipids or boosting hydration.
Ingredients That Protect the Skin Barrier:
- Antioxidants (vitamin E, vitamin C, niacinamide)
- Broad-spectrum SPF
Ingredients That Rebuild the Skin Barrier:
- Ceramides
- Cholesterol
- Fatty acids
- Sebum-like oils (squalane, jojoba)
- Humectants (glycerin, sodium lactate, hyaluronic acid, propanediol)
Once you've chosen the right ingredients, consistency is key. The skin barrier can take 4-6 weeks to repair after significant damage or lack of protection. During this period, simplicity and patience are essential.
At Lily & Marigold, we believe in simple routines that feel like care, not correction. Your skin isn't a problem to fix. It's something to protect, support and nourish gently.
May your routine always feel simple, calming and kind.
- Hillary Newman (founder)