Natural Skincare: A Doctor's Guide

The D.E.N. natural skincare range

“Natural skincare” is everywhere: on shelves, in adverts, in your social media feed. Yet in the UK it has no legal definition. Any brand can use the word, whatever is in the bottle.

As a doctor who has treated skin in clinic since 2012, and as the founder of a natural skincare brand, I want to give you a clear way through it. This guide covers what natural skincare should mean, where it helps, where it can go wrong, and how to choose products that genuinely suit your skin.

What is natural skincare?

At its best, natural skincare means formulas built mostly from ingredients that come from plants, minerals and other natural sources, processed as little as possible. At its worst, it is a marketing word on a label.

The way to tell the difference is to look for numbers and independent checks, not adjectives:

  • A natural origin percentage. Calculated with the ISO 16128 guideline, it tells you how much of the formula comes from natural and natural-derived ingredients. I explain how it works in What does “natural origin” really mean?
  • Independent certification. A standard such as COSMOS means an outside body has checked the ingredients, how they are processed and how the product is made.
  • A full ingredient list you can read. Natural skincare has nothing to hide.

Every D.E.N. face care formula is 95–100% natural origin, and our face care is COSMOS Natural certified. You will find each product's exact figure on its page.

Natural does not automatically mean gentle

This is the part most natural brands leave out. Some of the most common triggers I see in people with reactive skin are natural: essential oils, fragrant plant extracts and some strong botanical actives.

A product can be 100% natural and still irritate the skin. So the question is never just “is it natural?” but “is it natural and compatible with the skin barrier?” That is why D.E.N. offers fragrance-free options, such as the Sensitive Skin Moisturiser and Sensitive Skin Overnight Cream, for the most sensitive skin.

Natural skincare backed by science

You should not have to choose between nature and science. Every ingredient in a good natural formula should earn its place because of what the research says it does for the skin. A few examples from our own range:

  • Ceramide-like lipids and plant butters replenish the lipids your barrier relies on to hold on to moisture. Found in our Ceramide Barrier Night Cream.
  • Prebiotics nourish the skin's natural microbiome, supporting a calm, balanced-looking complexion. Found in our Bioactive Prebiotics Jelly Serum.
  • Bidens pilosa, a plant-derived retinol alternative, helps refine the look of texture and fine lines without the irritation often linked to retinol. Found in our Retinol Alternative Serum.
  • Zinc oxide, a mineral UV filter, protects the skin from the surface. Found in our Glass Skin Mineral Sunscreen SPF30.

Where a small amount of a non-natural ingredient makes a formula safer, more stable or better tolerated, such as a well-studied preservative, we use it. Natural where it helps; clinical where it matters.

Natural skincare for sensitive skin

If your skin stings, flushes or reacts easily, natural skincare can be a good fit, as long as you choose carefully:

  • Go fragrance-free. Look for “Parfum” and essential oils on the ingredient list and avoid them while your skin is reactive.
  • Keep the routine short. Fewer products means fewer potential triggers, and makes it easier to spot what suits you.
  • Patch test new products. Apply a little to a small area for 24–48 hours before using it all over.
  • Support the barrier first. Gentle cleansing, hydration and daily mineral SPF matter more than any active. My guide to repairing the skin barrier explains why.

Our Calm & Restore Routine brings together three fragrance-free essentials for exactly this kind of skin.

Sometimes, skin needs less

D.E.N. began after cancer treatment left my own skin incredibly sensitive. Many products I had always loved suddenly irritated me. Stripping my routine back taught me that skin does not always need more. Sometimes it needs less: less stimulation, less complexity, more support.

That is the heart of good natural skincare. Not a long list of exotic extracts, but a short routine of well-chosen formulas that respect how the skin works.

How to choose natural skincare: a checklist

  1. Look for a natural origin percentage, not just the word “natural”.
  2. Check for independent certification such as COSMOS.
  3. Read the full ingredient list, especially if your skin is reactive.
  4. Choose fragrance-free if you are sensitive.
  5. Pick products for your skin type and concern first, natural percentage second.
  6. Build a short routine you can keep to every day, always with SPF in the morning.

Frequently asked questions

Is natural skincare better for your skin?

Not automatically. Well-formulated natural skincare can be excellent, especially for sensitive skin, but “natural” is not a guarantee of gentleness or effectiveness. Look at the formula, not the label.

Is natural skincare regulated in the UK?

All cosmetics sold in the UK must meet the same safety rules, natural or not, including a safety assessment of every product. The word “natural” itself is not regulated, which is why figures and certifications matter.

What is the difference between natural and organic skincare?

Natural refers to where ingredients come from; organic refers to how plant ingredients were farmed. A product can be highly natural with a modest organic percentage, especially water-based formulas, because water cannot be certified organic.

Can natural skincare work for acne-prone or oily skin?

Yes. Look for lightweight, oil-free textures and gentle cleansing that does not strip the skin. Our Clear Balance Routine is designed for normal, combination and oily skin.

Not sure where to start? Take the Skin Quiz →

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Dr Mica Engel

Written by

Dr Mica Engel

Medical doctor since 2004 (GMC 6161882), aesthetic doctor at Cosmetica London in Balham since 2012, and founder of D.E.N. Skincare.