How to Dupe your Favorite Anti-Aging Products

How to Dupe Your Favorite Anti-Aging Products

To dupe an anti-aging product, read its ingredient list, identify the two to four key actives (usually amino acid sequences, hyaluronic acid, and an antioxidant), then add those same actives to a preserved serum or cream base at the manufacturer's full recommended rate. You will not copy the exact formula, because labels do not show percentages, but you can often match or beat the active concentration for a fraction of the price, and you will know exactly what is in the bottle.

Below is a cosmetic formulator's method for reading a label, three dupe recipes by product type in drops, grams, and percentages, and the preservative and safety steps that make a homemade version reliable. New to this? Start with how to add a serum booster.

What a Skincare Dupe Is, and What It Is Not

A dupe is a product that matches the key ingredients, feel, and results of a more expensive one. A good dupe targets the same actives; a weak one only copies the marketing words on the front of the box. DIY dupes have one big advantage: you choose the concentration. A finished serum can name a famous amino acid sequence on the front and contain very little of it, and the label alone will not tell you.

Step 1: Read the Ingredient List Like a Formulator

In the United States, cosmetic ingredients are listed in descending order of predominance. Under FDA rule 21 CFR 701.3(f), ingredients present at more than 1% must appear in descending order, while ingredients at 1% or less may follow in any order. That gives you three clues:

• The first five ingredients make up most of the formula. This is usually water, glycerin or butylene glycol, and the base thickeners or oils.
• Find the "1% line." Preservatives such as phenoxyethanol and ethylhexylglycerin are almost always used at 1% or less, so anything listed after them is likely under 1%.
• Look for the INCI names of actives. Palmitoyl Tripeptide-1 and Palmitoyl Tetrapeptide-7 are Matrixyl 3000. Acetyl Hexapeptide-8 is Argireline. Acetyl Octapeptide-3 is Snap-8. Dipeptide Diaminobutyroyl Benzylamide Diacetate is Syn-Ake. Palmitoyl Tripeptide-5 is Syn-Coll. rh-Oligopeptide-1 is EGF. Sodium Hyaluronate is hyaluronic acid.

If a famous active appears after the preservative, the product likely contains it at well under 1%. Raw boosters such as Matrixyl 3000 are themselves dilute solutions, which is why their manufacturers recommend use levels of several percent.

Step 2: Choose a Base That Matches the Texture

GSB (gluconolactone and sodium benzoate) is used at 1% when it is combined with another preservative and at 2% when it is the only one. It works between pH 3 and 6, so aim for a finished pH of 4.5 to 5.5.

Step 3: Add the Actives at Full Strength

Skin Perfection boosters list their recommended rates, and our recipes use the top of each range. The house rate is 9 drops = 1% per fluid ounce, and 1 fl oz of serum weighs about 30 g.

What the research shows for one key active

In Sederma's clinical testing (supplier data), 23 women with a mean age of 56 applied a cream with 3% Matrixyl 3000 to one half of the face and a placebo to the other, twice a day for two months. The surface occupied by deep wrinkles was measured 39.4% lower on the Matrixyl side, while the placebo side changed by +4.3%. That is why Matrixyl 3000 appears in so many luxury firming serums, and why our dupe recipes use it at 8%.

Recipe 1: Growth Factor Peptide Cream Dupe (2 oz, 60 g)

For fans of luxury renewal creams built around EGF, green tea, and Matrixyl.

Antarcticine is a marine glycoprotein used for the look of skin that holds moisture better, and it contains a small amount of salicylic acid, so skip it if you are sensitive to BHAs and add the 3 g back to the base.

Recipe 2: Expression Line Firming Serum Dupe (1 oz, 30 g)

For fans of high-priced firming serums that combine several line-smoothing amino acid sequences with antioxidants.

Recipe 3: Matrixyl Collagen Booster Serum Dupe (1 oz, 30 g)

For fans of drugstore and online "Matrixyl collagen" serums, made with more of the actives they advertise.

Variation: for a lighter feel and better spread of the actives, replace 3 g of the base with Phospholipid Liposomes at 10% (90 drops).

Method (all three recipes)

1. Wash a glass beaker, mini whisk, and airless bottle in hot soapy water, rinse, spray with 70% isopropyl alcohol, and let them air dry.
2. Weigh the base into the beaker at room temperature and stir in the GSB until dissolved, 2 to 3 minutes.
3. Add each booster by weight or drop count, stirring gently after each. Pepha Tight is a thick gel, so stir it in well.
4. Blend 1 to 2 minutes with a mini whisk or a stick blender on low.
5. Check the pH and aim for 4.5 to 5.5.
6. Fill an airless bottle, label it with the date and every ingredient, and refrigerate.

Shelf Life and Storage

Refrigerate and use within 3 months. A homemade formula has not been challenge tested, so use that as a cautious guideline and discard any batch that changes color, smell, or texture. Keep opened booster bottles in the refrigerator as their product pages direct.

Patch Test and Sensitive Skin

Patch test on your inner arm for 24 hours. If your skin is sensitive, make your dupe at the lowest rate of each booster's range (for example EGF at 1%, Edelweiss at 3%, Pepha Tight at 1%), use it every other day, and work up. Stop if you notice stinging or redness.

Troubleshooting

• Serum feels sticky: Pepha Tight and glycerin add tack. Lower Pepha Tight to 2% and leave out the glycerin.
• Cream turned runny: liquid boosters thin a cream base. Add 3 to 5 g more base.
• Pilling under makeup: apply less and let it absorb for 2 minutes.

Frequently Asked Questions

What is a skincare dupe?

A dupe is a lower-priced product that matches the key ingredients, feel, and results of a more expensive one. A DIY dupe uses the same active ingredients in a base you choose, at a concentration you control.

Are skincare dupes as good as the original?

They can be when the dupe uses the same actives at an equal or higher concentration. Texture, scent, and packaging will differ, and results depend on the full formula, so judge a dupe after 6 to 8 weeks of steady use.

How do I find a dupe for my favorite serum?

Read the ingredient list, find the INCI names of its actives, and note where they fall relative to the preservative. Then add the same actives to a matching base at their full recommended rates.

Can I tell an ingredient's percentage from the label?

Not exactly. US rules list ingredients above 1% in descending order, and ingredients at 1% or less may appear in any order, so the label shows rank, not amount.

Is it cheaper to make your own anti-aging serum?

Usually, yes. One bottle of each booster makes several batches, and you pay for the active ingredients rather than packaging and advertising.

Are DIY skincare dupes safe?

They are when you sanitize your tools, use a preservative in any formula that contains water, check the pH, and patch test. Keep homemade serums refrigerated and use them within 3 months.

Shop and Learn More

Start with the Rejuvenate Anti-Aging Serum Base or Regenerating Facial Cream base, then add Matrixyl 3000, Snap-8, and Syn-Ake. For an eye-area version, see our DIY anti-aging eye cream recipes, and for antioxidants, our DIY antioxidant serum.

Sources

• U.S. Code of Federal Regulations, 21 CFR 701.3(f), cosmetic ingredient labeling (ingredients above 1% in descending order; 1% or less in any order). govinfo.gov
• Sederma, Matrixyl 3000 technical document (supplier data: 23 women, 3% cream, 2 months, half-face versus placebo).
• Skin Perfection product pages for usage rates: EGF 1 to 10%, Antarcticine 5%, Liquid Collagen 2%, Pepha Tight 1 to 5%, Phospholipid Liposomes 1 to 10%, Edelweiss 3 to 5%, GSB Natural Preservative Powder.

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

About the Author
Written by Kari Thomas, cosmetic formulator and founder of Skin Perfection.