Patch test: how to try a new product without risking your face
How to do a patch test in 3 days, which reactions are normal and which aren't, and how to add new actives to your routine without irritation.
Pepfine Blog
Guides for your piel and your wellbeing.
Ingredients, routines and how to read a label, explained clearly and without overblown promises.
Does taking collagen work? What the evidence says and how to choose one
What happens to collagen when you take it, what studies have found for skin, which doses have been used and how to read the label before you buy.
Glutathione: what it is, what it's used for and what to expect from a supplement
What glutathione is, why it's so talked about for skin, what the evidence says about taking it orally and how to choose a supplement wisely.
Niacinamide and peptides: can you combine them? How to use both in one routine
Yes, you can combine them. Here's the order to apply them in, what to be careful with and a simple morning and night routine.
Acne marks or acne scars? How to tell them apart and what to expect from each
Learn to tell an acne mark from an acne scar with a simple test, what a home routine can do and when you need a professional.
How to fade acne marks: a step-by-step routine that won't irritate your skin
Why marks stay after a breakout, how long they take to fade and the morning and night routine that helps them look lighter without irritation.
Omega-3: EPA, DHA and how to read the label
What EPA and DHA are, why the amount of omega-3 matters and not just the mg of oil, and how to compare fish oil supplements.
Vitamin D3 and K2: what they are and why they often come together
What vitamin D3 is, what K2 (MK-7) is, why many supplements combine them, how to read the dose in IU and mcg, and how to take them.
Forms of magnesium: glycinate, citrate and more, how do they differ?
Glycinate, citrate, lysinate and magnesium complexes: what each form on the label means, how to compare amounts and how to take it.
How to read a dietary supplement label
Serving size, amount per serving, % daily value and other ingredients: what each part of a supplement label means and what to look for.
Sunscreen and marks: why it's the most important step
Why sun makes marks look more visible, how much sunscreen to use, how often to reapply and how to choose one you'll actually like wearing.
Retinol, acids or peptides: differences for sensitive skin
We compare retinol, exfoliating acids and peptides: how they feel, how irritating they are and which fits best if your skin is sensitive.
Skincare peptides: a beginner's guide
What peptides are in skincare, the most common types in serums and creams, how to use them and how to choose one for your skin.
Hyaluronic acid: how to use it so it actually hydrates
The trick to using hyaluronic acid: damp skin and sealing with a moisturizer. Common mistakes, what order to apply it in and what it pairs with.
Turmeric and vitamin C for skin: for a more even-looking tone
How to use a turmeric and vitamin C serum to help even out the look of your skin tone, what to pair it with and why sunscreen is key.
PDRN for skin: what it is and how to use it in your routine
What PDRN is in skincare, how it feels on skin, what to pair it with and how to add a PDRN serum to your morning and night routine.
Skin barrier: signs it's feeling sensitive and how to care for it
What the skin barrier is, signs it's feeling sensitive (stinging, tightness, redness) and simple habits to help it feel comfortable again.
A simple 3-step skincare routine (morning and night)
A short skincare routine you can actually keep up: cleanse, serum and moisturize, plus sunscreen by day. Order, amounts and common mistakes.
Breakout marks: why they take time to fade and what you can do
Why the red and dark marks left by breakouts take weeks to look better, the mistakes that make them last longer and a simple routine to care for them.
Copper peptide (GHK-Cu) for skin: what it is and how to use it
What copper peptide (GHK-Cu) is, how it feels on skin, how to fit it into your routine and what to expect week by week.
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