The Research Behind
Every Routine.
Ingredient breakdowns, routine methodology and news from inside INGU — written the same way we write our labels.
From The Product Development Team
Twenty-one starting points, more to come.
Ingredient Education
Niacinamide 101: What 1%, 3% and 5% Actually Do For Your Skin
It’s in half the routine aisle, but the concentration is the whole story. Here’s what changes between INGU’s 1%, 3% and 5% formulas.
5 min read
Ingredient Education
AHA vs BHA: Which Exfoliant Actually Matches Your Skin
Two acids, two different jobs — one works on the surface, the other reaches into the pore. Here’s which one INGU reaches for, and when.
4 min read
Routine Tips
Skin Cycling, Explained (And How To Build Your Own)
A four-night rotation that lets your strongest actives do their job without wearing out your barrier — built from what’s already in your routine.
6 min read
Routine Tips
6 Cleansing Mistakes That Are Undoing Your Routine
The first step is the one most routines get wrong — before a single active ingredient even has a chance to work.
4 min readBrand & Company News
Introducing the Ingredient Directory: Every Active, Every Percentage
We just published the full active-ingredient and INCI breakdown for every product we sell — no proprietary blends, no exceptions.
3 min read
Brand & Company News
Meet The Team Behind Every Formula
INGU’s formulas start with a small product development team, not a faceless lab — here’s who’s actually behind the research.
3 min readSkin Science
Skin 101: The Brick-And-Mortar Wall You Put Product On Every Day
Before any active can do its job, it has to get past your barrier. Here’s what that barrier actually is, and three things most people get wrong about it.
5 min readRoutine Tips
The Core Routine: Why Cleanser, Moisturiser and SPF Come Before Anything Else
Every strong routine is a pyramid, not a wishlist — and the base is three unglamorous steps most people rush past to get to the serums.
6 min readIngredient Education
Treatment Actives, Sorted: Acids, Retinoids, Vitamin C and Niacinamide
Once your core routine is solid, here’s how to actually choose between the acid family, the retinoid ladder, and the two most-hyped brighteners on the shelf.
7 min read
Routine Tips
Skin Cycling By Concern: Building A Routine For Acne, Pigmentation Or Wrinkles
A rotation schedule with built-in rest days gets more out of your actives — and lowers the odds of irritating your skin along the way. Here’s how to build one around your actual concern.
6 min read
Skin Science
A Smarter Way To Shop For Skincare: The Marketing Claims Worth Questioning
Clean beauty, greenwashing, MLM skincare, counterfeit sellers — a shopper’s guide to the claims that sound reassuring but don’t hold up.
6 min read
Skin Science
The 30-Second Test That Actually Tells You Your Skin Type
No app, no consultation — just a piece of blotting paper and half a minute. Here’s the test dermatology-adjacent skincare people actually use, and why your “type” isn’t permanent.
4 min read
Routine Tips
SPF50 Isn’t “Double” SPF25 — What The Numbers On Your Sunscreen Actually Mean
UVA, UVB, SPF, PA, in vitro versus in vivo testing, and the quarter-teaspoon most people never apply. Everything the label is trying to tell you, decoded.
7 min readIngredient Education
AHA, BHA, PHA, LHA: The Acid Family Tree, Sorted By What Each One Actually Does
Four letters that get used almost interchangeably in marketing but work completely differently on skin. Here’s how to pick the right one for the problem in front of you.
6 min readIngredient Education
The Retinoid Ladder: Retinyl Ester, Retinol, Retinaldehyde and Retinoic Acid, Compared
Vitamin A’s four commercial forms sit on a strength ladder, and the one that works fastest isn’t always the one worth reaching for first. A quick history and a beginner-safe way in.
6 min read
Ingredient Education
Vitamin C Derivatives And Niacinamide Percentages: What The Fine Print Is Really Telling You
Not all “Vitamin C” on a label is the same molecule, and not all “Niacinamide” percentages do the same job. Here’s how to read past the headline ingredient.
6 min readRoutine Tips
Acne Has Four Root Causes — Your Routine Should Address More Than One
Nearly 1 in 10 people worldwide are dealing with acne at any given time. Here’s the four-cause breakdown behind it, and how to build a routine that actually matches the cause you have.
6 min read
Routine Tips
Dark Spots, Melasma And Freckles Aren’t The Same Problem — But They Share One Routine
Post-acne marks, sun-triggered melasma, and freckles all trace back to overactive melanin — triggered by UV, inflammation or hormones. A four-step framework for fading what’s already there.
5 min readRoutine Tips
What Your Skin Actually Needs In Your Teens, Your 30s, And Beyond
The same routine doesn’t serve a 14-year-old and a 45-year-old — not because of marketing, but because skin’s own priorities genuinely shift. A stage-by-stage guide.
6 min read
Skin Science
What Those Little Numbers On Your Skincare Bottle Actually Mean
The recycling triangle on the bottom of your cleanser isn’t decoration. A practical guide to the seven plastic types in your bathroom cabinet, and what actually happens to each after it leaves your bin.
5 min readBrand & Company News
Why We Put The Ingredient List On The Front Of The Box
INGU didn’t start as a business plan — it started with a founder’s own bad skincare years, a YouTube channel, and a genuine question: what happens if a brand just tells people what’s actually inside?
5 min readStill Deciding
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