Nicotinamide Mononucleotide (NMN) - CAS 1094-61-7

Nicotinamide Mononucleotide (NMN) - CAS 1094-61-7

Nicotinamide Mononucleotide (NMN), with INCI name Nicotinamide Mononucleotide and CAS number 1094-61-7, is a cutting-edge anti-aging active ingredient that has revolutionized skincare science. NMN is a naturally occurring nucleotide that serves as the direct, rate-limiting precursor to NAD+ (Nicotinamide Adenine Dinucleotide) – a coenzyme essential for cellular energy metabolism, DNA repair, and the activation of sirtuin "longevity proteins." As skin ages, NAD+ levels decline significantly, impairing cellular energy production, DNA repair capacity, and overall skin health.

NMN addresses this by efficiently replenishing cellular NAD+ levels through the salvage pathway, bypassing the rate-limiting step that limits the efficacy of other NAD+ precursors like niacinamide. Topical application of NMN has been shown to improve skin hydration, enhance elasticity, reduce the appearance of fine lines and wrinkles, protect against UV-induced photoaging, and strengthen the skin barrier. It also exhibits antioxidant, anti-glycation, and anti-inflammatory properties that work synergistically to promote comprehensive skin rejuvenation.

Key Benefits

• Direct NAD+ precursor: boosts cellular energy metabolism

• Powerful anti-aging: reduces fine lines and wrinkles

• Anti-glycation: prevents glycation-related skin aging

• Anti-inflammatory: soothes and calms irritated skin

• Strengthens skin barrier, improves hydration

• Enhances skin elasticity and firmness

• Supports collagen synthesis for dermal remodeling

Applications

• Anti-aging serums and essences: Recommended usage 0.5%–2.0%

• Anti-wrinkle creams and lotions: Recommended usage 0.5%–1.5%

• Brightening serums and treatments: Recommended usage 0.3%–1.0%

• Barrier repair serums and creams: Recommended usage 0.3%–1.0%

• Eye serums and eye creams: Recommended usage 0.2%–0.5%

• Day protection creams and lotions: Recommended usage 0.3%–1.0%

• Night repair serums and treatments: Recommended usage 0.5%–2.0%

• Hydrating serums and moisturizers: Recommended usage 0.2%–1.0%

• Men's anti-aging skincare: Recommended usage 0.5%–1.5%

• Facial mask essences and sheet masks: Recommended usage 0.5%–1.5%

Certificate Of Analysis (COA)

Frequently Asked Questions (FAQ) 

Q1: What is the difference between NMN and niacinamide (vitamin B3) in skincare?

A: While both are NAD+ precursors, NMN and niacinamide work through different pathways and have different efficacy profiles. Niacinamide needs to go through multiple conversion steps – first to nicotinamide riboside (NR), then to NMN, and finally to NAD+ – and the conversion from niacinamide to NR is the rate-limiting step that slows down the whole process. NMN, on the other hand, is one step closer to NAD+ and bypasses this rate-limiting step, making it a more direct and efficient precursor. In skincare, niacinamide is well-known for its barrier repair, brightening, and sebum-regulating effects, and it works primarily at the epidermal level. NMN, with its smaller molecular weight and direct NAD+ boosting capability, can penetrate deeper into the dermis and has a stronger focus on cellular energy metabolism, DNA repair, and sirtuin activation – which translates to more pronounced anti-aging and anti-wrinkle benefits. Think of it like this: niacinamide is the workhorse with multiple proven benefits but moderate anti-aging potency, while NMN is the premium anti-aging specialist that works at the cellular energy level. They are actually highly complementary and many advanced formulations combine both for comprehensive results – niacinamide for barrier and brightening, NMN for deep cellular anti-aging.

Q2: What concentration of NMN should I use and what results can be expected?

A: The recommended concentration of NMN in cosmetics ranges from 0.1% to 3.0%, depending on the product type and desired efficacy. For basic maintenance and mild anti-aging products, 0.1%–0.3% is sufficient. For standard anti-aging and skin-rejuvenating products, 0.5%–1.0% is the typical and most commonly used range, with 1.0% being the level used in many clinical studies. For high-efficacy concentrated serums and intensive anti-aging treatments, you can use up to 2.0%–3.0%, though concentrations above 1% show diminishing returns in terms of additional benefit. In terms of results, clinical studies with 0.5%–1.0% NMN have demonstrated: significant improvement in skin hydration and barrier function within 2–4 weeks; enhanced skin elasticity and firmness after 4–8 weeks; visible reduction in fine lines and wrinkles (with 1% NMN showing 1.7x anti-wrinkle efficacy vs control); protection against UV-induced photoaging and DNA damage; improved skin texture and radiance; and anti-inflammatory and soothing effects. Results are typically noticeable after 4–6 weeks of regular twice-daily use, with progressive improvement over time. NMN works well in both day and night products and can be combined with other anti-aging actives like peptides, hyaluronic acid, or centella asiatica extract for enhanced results.

Q3: How stable is NMN in formulations and what are the formulation challenges?

A: NMN presents some formulation challenges due to its stability profile, but these can be managed with proper formulation techniques. The main stability concerns are: 1) Heat sensitivity – NMN degrades at high temperatures, so it should be added at low temperatures (below 40°C) after emulsification or at the cool-down phase, not during hot processing. 2) pH sensitivity – NMN is most stable at acidic to neutral pH (pH 3–6 is optimal). It degrades more rapidly at alkaline pH, so avoid formulating at pH above 7 if possible. 3) Moisture sensitivity – NMN powder is hygroscopic and can degrade if exposed to high humidity, so proper raw material storage and handling are important. 4) Aqueous stability – NMN has limited stability in aqueous solutions, with degradation accelerating over time. To improve stability in finished products, you can: use chelating agents like EDTA to bind trace metals that catalyze degradation; add antioxidants like vitamin E or sodium metabisulfite; formulate at slightly acidic pH (pH 4.5–5.5); use appropriate preservatives to prevent microbial degradation; and package finished products in opaque or amber packaging to protect from light. With proper formulation, NMN can maintain good stability throughout a typical 2-year cosmetic product shelf life. Also note that NMN is water-soluble, so it goes into the water phase – no solubilizer is needed for aqueous formulations. For oil-based or anhydrous products, NMN would need to be solubilized or encapsulated.

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