Skincareproductcoder

Skincareproductcoder Cosmetic Formulator
Developing and decoding skincare products
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(9)

05/27/2026

Trader Joe’s beauty dupes worth it or not ?

05/25/2026

Is Trader Joe’s Vitamin C Serum a true dupe for SkinCeuticals CE Ferulic?

Comment “link” and I’ll send you other affordable vitamin C serum options with L-ascorbic acid.

From a cosmetic chemist perspective, these formulas actually share a very similar antioxidant philosophy. I also later checked the pH in the lab, and it falls in that ~3.4 range.

If you’ve been searching for:
• SkinCeuticals CE Ferulic dupe
• Affordable vitamin C serum
• Drugstore vitamin C alternative
• Trader Joe’s Vitamin C reviews
• Affordable skincare dupes

Then this is definitely one of most affordable options & can be considered as a dupe.

⚔️ BATTLE OF DUPES ⚔️Comment “MINERAL” for my favorite mineral sunscreen list ☀️👇(Includes Korean mineral SPF options av...
05/19/2026

⚔️ BATTLE OF DUPES ⚔️
Comment “MINERAL” for my favorite mineral sunscreen list ☀️👇
(Includes Korean mineral SPF options available globally 🌎)

Kiehl’s vs CeraVe Mineral Sunscreen SPF 50 👀

Same UV filters. Same percentages.

But are they ACTUALLY dupes?

I compared:
☀️ texture
☀️ finish
☀️ white cast
☀️ makeup wear
☀️ melanated skin compatibility
☀️ ingredient differences

If you’re looking for:
✨ mineral sunscreen recommendations
✨ mineral SPF for melanated skin
✨ skincare dupes
✨ luxury vs drugstore sunscreen
✨ sunscreen ingredient breakdowns

…save this post for later 💙

Most consumers think skincare dupes are just some similar common ingredients in two products but cosmetic chemists look ...
05/11/2026

Most consumers think skincare dupes are just some similar common ingredients in two products but cosmetic chemists look at dupes VERY differently.

⚔️ New series coming next: Hidden skincare dupes you probably haven’t seen on the internet — explained through formulation science & my experience working in the skincare industry.

COMMENT the skincare product you want a budget alternative for 👀

SAVE this post if you love skincare science, luxury skincare alternatives & drugstore dupes.

04/29/2026

Drugstore skincare dupes at Walgreens vs originals : Dupe or Not a Dupe ? (Cosmetic Chemist Review) :

Let’s break down the formulation :

👉Drunk Elephant Lala Retro ($66) vs. Walgreens Whipped Moisturizer ($11) -

❌NOT A FUNCTIONAL DUPE: The original uses high levels of ceramides to maintain moisture balance of skin.

⁉️verdict ? : The drugstore version “fairy dusts” those ceramides at the bottom just to ensure they can include it on the packaging,destroying the crucial ceramide ratio. It’s a good thick cream, but its not a dupe.

👉Paula’s Choice 2% BHA Liquid ($35) vs. Walgreens 2% BHA ($12.49)

✅ FUNCTIONAL DUPE: A rare match! It uses the exact same glycol delivery system (Methylpropanediol) to help Salicylic Acid pe*****te deep into pores and the same concentration of salicylic acid.

⁉️Verdict - Expect similar results for a fraction of the price.

👉Drunk Elephant D-Bronzi ($38) vs. Drugstore Bronzing Drops

✅MAKEUP DUPE ONLY: The original is not just bronzing drops but also a protective serum with functional peptides and antioxidants.

⁉️verdict- The dupe will give similar bronzing results but no skincare benefits as the original.

👉Color Wow Dream Coat ($28) vs. Marc Anthony Grow Long Shield ($9.99)

✅ Budget alternative : Both use Polysilicone-29 for that heat-activated shield.

⁉️Verdict ? - While the chemistry isn’t a 1:1 match, the Marc Anthony version delivers the same humidity-blocking results—and might actually be better for finer hair types.

👇 Save this for your next Walgreens run. Which “dupe” should we analyze next?

Stop overpaying for “viral” marketing.As a cosmetic chemist, I look past the hype to see what’s actually inside the bott...
04/22/2026

Stop overpaying for “viral” marketing.

As a cosmetic chemist, I look past the hype to see what’s actually inside the bottle. Most of the time, you’re not paying for a “miracle” ingredient—you’re paying for branding and luxury markup.

I loved this template by and had to use it to share my Chemist Cheat Sheet:

👉Tower 28 SOS Spray: Use a generic HOCl spray—it’s the same antimicrobial for a fraction of the price.

👉Glow Recipe Dew Drops: That “glow” comes from surface-level film-formers. Its not a dupe but once it dries on skin it gives the same glow underneath makeup. Save $20+ with or Trader Joe’s alternatives.

👉Anua Collagen Patches: Collagen can’t pe*****te skin—it just sits on the surface. Skip the patches; use their hydrating mist instead.

👉Supergoop Unseen Sunscreen: Trader Joe’s and e.l.f. versions give a very similar “invisible” finish.

👉Medicube Mask: I find the product gimmicky if glass skin is your goal then use the new PDRN serum instead.

👉Drunk Elephant Beste No. 9: The Marula Oil Cleanser is one of the closest matches out there that I can actually say is a dupe.

Which viral product surprised you the most? Or have you already switched to dupes?

Save this for your next restock

Share with someone who loves a good dupe.

skincareonabudget

04/19/2026

Comment ‘’link’ for the product. stitch -

Did Dr. Dennis Gross Alpha Beta® Extra Strength Daily Peel really get duped? | Not Sponsored Review

I’m a cosmetic chemist, and I don’t buy the marketing—I buy the Formulation.

Everyone says these iconic pads are “undupable,”because of the 2 - step system. But it’s 2026, and we finally have a functional dupe.

The Formulation Breakdown:

Step 1: Multi-Acid Prep. Both use AHAs (Glycolic + Lactic) to dissolve dead skin “glue.” This resurfaces rough texture and clears dullness.

Step 2: Retinol Reset - This step neutralizes the acids and drives clinical-strength Retinol deep into the skin to target fine lines for that “Glass Skin” finish.

The Clever Formulation Swaps:

For Pores: The original uses BHA (Salicylic Acid). RoC swaps this for PHAs (Gluconolactone) which focus on surface hydration.

For Brightening: The original uses Vitamin C. RoC uses a Retinol Booster and Ectoin to protect the barrier while giving you the same radiance.

The Price: On sale right now - & $29 (Sale) for 20 peel pads.

My Verdict: Definitely give Retinol Correxion Line Smoothing Peel Pads a try.

SAVE this for your next purchase!

04/13/2026

Cosmetic chemist reviews viral dupes — real alternatives or just hype ?

1. e.l.f. Cosmetics Vitamin C vs SkinCeuticals vitamin c

Verdict: ❌ Not a dupe — affordable alternative

Different forms of Vitamin C → different performance
Better option: Vitamin C or vitamin c serum.

2.Rhode Pocket Blush vs Pocket Blush

Verdict: ✅ Dupe

Similar pigment, blendability + wear time

3. Vitamasques Relax & Soothe vs Summer Fridays Jet Lag Mask

Verdict: ❌ Not a dupe

Thinner vs thicker texture, both hydrating but vitamasque has a weird scent. It’s a more of moisturizer than a mask.

4. Vitamasques Lip Butter Balm vs Summer Fridays Lip Butter Balm

Verdict: ❌ Not a dupe — affordable alternative

Different formulation → less wear time

Better dupe: e.l.f. Cosmetics Glow Reviver Melting Lip Balm

5. Foundation vs Charlotte Tilbury Foundation

Verdict: ✅ Dupe

Similar formulation + ingredients
Very close finish, coverage & long wear

Skincare on a budget

Affordable skincare

Skincare dupes

04/09/2026

Just kidding! Comment “drugstore” and I’ll send you the link to these affordable skincare gems I swear by

You do NOT need to spend luxury $$$ to get amazing skin—these drugstore dupes seriously deliver.

👉 Tinted Ultra Light Fluid Face Sunscreen SPF 50 vs La Roche-Posay Anthelios Mineral Tinted Ultra Light Face Sunscreen SPF 50
The closest dupe I’ve found only downside—it comes in just one light shade.

👉 Age Renew Retinol Overnight Body & Face Lotion
An affordable retinol + peptide body lotion that rivals high-end body care at a fraction of the price ($11-$12)

👉 Invisible Mineral Sunscreen SPF 50 Face Lotion
A gentle mineral sunscreen that doesn’t sting the eyes (may leave a slight white cast on deeper skin tones)

👉 24-Hour Dry-Touch Aluminum Free Deodorant Stick
Fragrance-free, alcohol-free & aluminum-free—perfect for sensitive skin + all-day odor control

👉Walgreens 2% BHA Liquid Exfoliant vs Paula’s Choice Skin Perfecting 2% BHA Liquid Exfoliant
Hands down one of the closest dupe formulas

drugstore skincare that works
Affordable skincare
Cerave Mineral sunscreen

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