Keramidit ihonhoidossa: mitä ne ovat ja miten ne toimivat

Ceramides are naturally present in your skin, forming a protective layer that prevents excessive water loss and shields against external aggressors. As we age, the skin's natural ceramide levels gradually decline — contributing to dryness, irritation, and visible signs of ageing. Incorporating ceramide-rich products into your daily skincare routine helps replenish these losses, keeping skin hydrated, smooth, and resilient.

What Are Ceramides — and Why Does Your Skin Need Them?

Ceramides are a class of lipids that make up a significant portion of the skin's outermost layer — the stratum corneum. Think of the skin's structure like a brick wall: the skin cells are the bricks, and ceramides are the mortar that holds everything together. This lipid matrix acts as the skin's natural barrier, protecting against bacteria, pollutants, chemical irritants, and transepidermal water loss (TEWL).

Without sufficient ceramides, this barrier becomes compromised. The result is skin that feels tight, rough, and reactive — more prone to sensitivity, redness, and environmental damage. For those with conditions such as eczema or psoriasis, ceramide deficiency in the skin barrier is a well-recognised contributing factor.

As natural ceramide production slows with age, the barrier gradually weakens. This is one reason why mature skin tends to lose elasticity and develop fine lines more readily. Replenishing ceramides topically — through creams, serums, toners, and masks — can help restore barrier integrity and slow the visible effects of skin ageing. For a broad selection of barrier-supporting products, explore our face creams and serums collection.

Types of Ceramides Found in Skincare

Not all ceramides are identical. The skin naturally contains several distinct types, each contributing to barrier function in slightly different ways. Skincare formulations typically reference these by standardised nomenclature:

• Ceramide NP — one of the most abundant ceramides in healthy skin; well known for its moisturising and regenerative properties.
• Ceramide AP — a precursor ceramide that supports barrier maintenance and assists in the renewal of skin cells.
• Ceramide EOP — plays a key role in maintaining barrier integrity and skin hydration; its deficiency is closely associated with eczema-prone skin.
• Ceramide NS — supports moisture retention and barrier stability alongside other ceramide types.
• Ceramide AS — a shorter-chain ceramide that contributes to barrier protection and appropriate hydration levels.

Products that combine multiple ceramide types alongside complementary ingredients — such as hyaluronic acid, cholesterol, and fatty acids — tend to provide more comprehensive barrier support than single-ceramide formulations. When reviewing an ingredient list, ceramides positioned higher in the formula generally indicate a more meaningful concentration.

How to Use Ceramides in Your Daily Skincare Routine

One of the practical advantages of ceramide-based skincare is its versatility. Ceramide products are suitable for all skin types and can be used as part of both morning and evening routines.

In the morning, a ceramide-containing moisturiser or serum applied after cleansing and toning helps fortify the barrier before exposure to daily environmental stressors. In the evening, richer ceramide formulations — night masks, balm creams, or concentrated creams — can support overnight skin recovery. Because ceramides are well tolerated and non-irritating, there is no need to cycle them or limit frequency; daily use is both safe and beneficial.

Ceramides are especially valuable for dry and sensitive skin types, mature skin showing signs of ageing, and anyone whose barrier has been compromised by over-exfoliation, harsh weather conditions, or frequent exposure to irritants. Browse our full range of skin and body care products to find formulas suited to your skin's needs.

Ceramides and Environmental Protection

A well-functioning ceramide-rich barrier does more than retain moisture — it also reduces the skin's vulnerability to external damage. By reinforcing the skin's structural matrix, ceramides help limit the penetration of pollutants such as particulate matter and exhaust fumes, which are associated with accelerated skin ageing and increased sensitivity. They also reduce the impact of harsh weather conditions — cold, wind, and low humidity — that strip the skin's natural lipid layer.

It is worth noting that ceramides are not a substitute for dedicated UV protection. While a healthy skin barrier may support overall skin resilience, ceramides do not absorb or block UV radiation. For sun protection, always use a product with an appropriate SPF alongside your ceramide routine.

Ceramide Serums and Toners — Layering for Enhanced Results

Ceramides are not limited to heavy creams. A growing range of lightweight serums, toners, and essences now deliver ceramides in formats appropriate for layering. This makes it possible to incorporate ceramide support even into minimalist or multi-step routines without adding texture or weight.

Ceramide serums work well applied after cleansing and before moisturiser, while ceramide toners can be used as a first hydrating step to prep the skin for subsequent layers. Night masks containing ceramides provide an intensive overnight treatment without requiring any rinse-off step. For supplement-based support, oral ceramide formulations are also available — these may help support skin hydration from within as part of a broader wellness approach. Explore our personal care and beauty range for the full selection.