What is 2-DDR (2-deoxy-D-ribose)?
2-DDR is short for 2-deoxy-D-ribose, a simple sugar best known as part of DNA, and the headline ingredient in a new category of cosmetic scalp serums for fuller-looking hair. This page explains the chemistry in plain terms, why it appears on hair-product labels, and how Formula 01 uses it.
Definition
2-deoxy-D-ribose (2-DDR, 2dDR, deoxyribose): a five-carbon sugar (a pentose) with the formula C5H10O4. It is the sugar in the backbone of DNA. It is called "deoxy" because it has one oxygen atom fewer than ribose, the sugar in RNA.
What is 2-deoxy-D-ribose?
2-deoxy-D-ribose is a simple five-carbon sugar, best known as the sugar in the backbone of DNA. Chemists also call it deoxyribose, and hair-product labels often shorten it to 2-DDR or 2dDR. It dissolves in water, so it can be formulated in water-based gels such as the alginate base of Formula 01.
What is 2DDR in hair products?
In hair products, 2DDR is 2-deoxy-D-ribose used as the headline ingredient in leave-on scalp serums and gels formulated for fuller-looking, thicker-looking hair. Good labels state its percentage. Formula 01 is a high-concentration 2dDR cosmetic scalp serum: 2.5% 2-deoxy-D-ribose with five supporting actives in a fragrance-free alginate gel.
Why it is called "deoxy"
Ribose, the sugar in RNA, carries a hydroxyl group (an oxygen bonded to a hydrogen) on its second carbon. 2-deoxy-D-ribose has a plain hydrogen there instead, so it has one oxygen atom fewer. That is all "2-deoxy" means: no oxygen on carbon 2. The "D" names which of the two mirror-image forms of the sugar it is: the form found in DNA.
How Formula 01 uses it
Formula 01 lists 2-deoxy-D-ribose at 2.5%, alongside niacinamide 3.0%, caffeine 1.5%, panthenol 1.0%, adenosine 0.75% and melatonin 0.10%, in a sodium alginate gel. 2-deoxy-D-ribose is a reducing sugar, so the formula pairs it with sodium phytate, a chelator that ties up stray metal ions, and no salts are added to thicken the gel. The finished serum is fragrance-free and goes on a dry scalp once a day.
Formula 01 is a high-concentration 2-Deoxy-D-Ribose (2dDR) cosmetic scalp serum for fuller-looking hair, refined over 45 reformulations and two years of organic chemistry and applied biology work and made in small batches. It is formulated for visibly thicker-looking, fuller-looking, denser-looking hair and designed to support a revitalized, healthy-looking scalp environment. The full label, directions and price are on the Formula 01: 2DDR Hair Serum, 60 mL page.
What is a 2DDR serum?
A 2DDR serum is a leave-on scalp product built around 2-deoxy-D-ribose, usually a water-based gel or light serum applied to the scalp and formulated for fuller-looking, thicker-looking hair at the roots. Labels differ in percentage, base and preservative, so compare them line by line. Formula 01 is one example: 2.5% 2-DDR in an alginate gel.
Is 2-deoxy-D-ribose (2DDR) good for human hair?
In cosmetics, 2-deoxy-D-ribose is used in leave-on scalp serums formulated for fuller-looking, thicker-looking hair and a healthy-looking scalp. It is a water-soluble sugar that formulates well in gels. There is no human clinical data on what it does to hair, so any benefit a brand states should stay cosmetic: how hair looks and feels.
How to read a 2DDR label
- Is the 2-DDR percentage stated, or only the ingredient name?
- Is it leave-on or rinse-off?
- What is the base: a water-based gel, a light serum or an oil?
- Is it fragrance-free, if that matters to you?
- Do the claims stay cosmetic (how hair and scalp look and feel), or do they promise medical results?
More detail: how to choose a 2DDR serum and what the 2.5% on the label means.
Cosmetic, not medical
Formula 01 is a cosmetic: its benefits are about how hair and scalp look and feel. There is no human clinical evidence for Formula 01, and we make no hair-growth or medical claims for it or for 2-deoxy-D-ribose. We do not cite laboratory work on this page, because work on an ingredient is not evidence about a finished cosmetic. For a scalp or hair concern, a dermatologist is the right person to ask. The full list is under our limitations.
FAQ
Is deoxyribose a sugar?
Yes. Deoxyribose is a sugar: a pentose, meaning a simple sugar with five carbon atoms. It is a close relative of ribose, with one oxygen atom fewer. It is not a sweetener you would cook with. In nature it is best known as the sugar unit that, with phosphate, forms the backbone of each DNA strand.
Is deoxyribose in DNA or RNA?
Deoxyribose is in DNA. The name DNA, short for deoxyribonucleic acid, comes from it. RNA, ribonucleic acid, uses ribose instead, the same kind of sugar with one more oxygen atom. In cosmetics, 2-deoxy-D-ribose is used as a purified ingredient, so a serum that contains it does not contain DNA.
Keep reading
Formula 01
60 mL · $69.99
The Synergy45 leave-on scalp serum, used once a day on a dry scalp.
- Secure checkout on the official Synergy45 Shopify store (shop.synergy45.com). It opens in this tab.
- Processed within 1 business day and shipped the next business day from California to US addresses.
- $10 shipping on one bottle, free on 2 or more.
- All sales final; a damaged or incorrect bottle is replaced. Shipping & returns
Cosmetic vs drug
Formula 01 is a high-concentration 2-Deoxy-D-Ribose (2dDR) cosmetic scalp serum for fuller-looking hair, designed to support a revitalized, healthy-looking scalp environment.
It is not a drug. It is not intended to diagnose, treat, cure, or prevent any disease. For any scalp or hair concern, talk to a dermatologist.
Related pages:
Formula 01 ingredients, line by line
Where and when to apply Formula 01