L-ascorbic Acid: The Solely Vitamin C That Will increase Vitamin C Ranges In The Pores and skin

Typically, most individuals know vitamin C for its advantages when combating the frequent chilly or to deal with scurvy; nonetheless, vitamin C performs a major function in sustaining the wholesome functioning of the pores and skin. L-ascorbic acid is likely one of the two types of vitamin C present in nature and is essentially the most biologically energetic, which means it’s the most helpful. L-ascorbic acid’s efficiency makes it the popular type of vitamin C for many dermatological and skincare merchandise. L-ascorbic acid’s full title could look a bit of daunting, but it surely simply refers to a selected construction of vitamin C. Ascorbic acid is the title of vitamin C within the physique, and L in L-ascorbic acid refers back to the means the molecule rotates to mild. 

L-ascorbic acid is essentially the most plentiful antioxidant within the physique; nonetheless, people can not produce it on our personal, not like different mammals. As an alternative, we extract vitamin C by means of our eating regimen or supplementation. Vitamin C is concerned in lots of processes inside our our bodies, so the vitamin C we take up will get distributed to all our cells. Nonetheless, our pores and skin is usually the final organ to obtain vitamin C and doesn’t obtain it on the concentrations required to have an effect on the pores and skin in any important means.

L-ascorbic acid is present in nature in vegetables and fruit reminiscent of oranges, broccoli, leafy greens, grapefruit, and peppers. It’s also present in sources reminiscent of Kakadu Plum and Hibiscus, sources utilized in clear magnificence vitamin C merchandise. Sadly, the quantity of vitamin C in these sources is impacted by cooking and its freshness. This influence is partly as a result of breakdown of L-ascorbic acid that happens when it’s uncovered to air, excessive temperatures, and water. Most balanced diets will present your physique with sufficient vitamin C to assist your well being. Nonetheless, naturally occurring sources aren’t steady sufficient or include sufficient vitamin C to enhance the pores and skin’s look. That is why L-ascorbic acid utilized in merchandise is usually synthetically sourced. 

Making use of vitamin C to the pores and skin in serum, powder, or oil type could assist your pores and skin to obtain the advantages of vitamin C. That is why topical vitamin C therapies are employed by dermatologists to assist enhance the looks of textured pores and skin, pigmentation, zits, and firmness.


L-ascorbic acid

the nice:Helps to take care of pores and skin barrier integrity, fights pigmentation, could also be concerned in irritation processes within the pores and skin, is concerned in collagen manufacturing, and protects in opposition to solar injury.

the not so good: Extremely unstable molecule that makes formulating tough. That is why it is very important know what to search for when buying a vitamin C product.
Who’s it for? All pores and skin varieties. Individuals with delicate pores and skin varieties ought to use a decrease focus of vitamin C and cut back the frequency of use.

Who’s it for? Any pores and skin kind, until an allergy to triethanolamine has been recognized.

Synergetic elements: Vitamin E and ferulic acid.

Control: The supply of vitamin C, the focus and kind of vitamin C product. Product varieties embody gels, serums and powders.

What Are The Advantages Of L-Ascorbic Acid?

L-ascorbic acid is a powerhouse ingredient that may assist to enhance the looks of your pores and skin in some ways, making it a fantastic product to carry into any skincare regime. Research mentioned within the Journal of Scientific and Aesthetic Dermatology have outlined the advantages of topical vitamin C therapies. 1 Their analysis discovered proof that topical vitamin C will help diminish the visibility of pigmentation, is concerned within the collagen manufacturing course of, could also be concerned in irritation, cut back the solar’s results on the pores and skin, and preserve pores and skin barrier integrity.1

Environmental factors reminiscent of radiation from the solar, UVA and UVB, air pollution, smoking, and eating regimen can put your pores and skin in a state of oxidative stress. Oxidative stress produces an imbalance within the ranges of molecules referred to as free radicals.6 This imbalance could result in injury of cells and tissues inside the physique. Free radicals, additionally referred to as reactive oxygen species or ROS, are a pure by-product of the physique’s chemical processes. Consider them as your physique’s waste. Free radicals can accumulate and create an imbalance. This imbalance has been studied for its hyperlinks with many ailments and its function within the getting old course of.6 As an antioxidant, vitamin C is believed to cut back the consequences of oxidative stress by neutralizing the free radical molecules and rebalancing their ranges in your physique. 


Vitamin C and solar injury

When your pores and skin is uncovered to UV mild, it might probably produce free radicals as a part of a course of referred to as oxidative stress.6 Free radicals are concerned in a cascade of occasions which will cut back the quantity of collagen your physique produces, improve mobile injury, and will trigger hurt to the DNA inside the cell. The results of free radicals on the pores and skin consequence within the manufacturing of the looks of deep wrinkles, pigmentation, and lack of elasticity.1 These modifications in look additionally are typically related to the pure lower in collagen manufacturing and solar injury as we age. 

As an antioxidant, Vitamin C neutralizes the free radicals fashioned by publicity to the solar, giving vitamin C protecting and restorative qualities in opposition to solar injury.2 Sunscreens stay the simplest means of decreasing the consequences of solar publicity. Nonetheless, research have proven that vitamin C can improve the protecting talents of sunscreens and assist battle among the seen pigmentation related to solar injury.

 Proof from a number of research displayed the protecting properties of vitamin C in opposition to the solar’s dangerous results.  These research recommend that vitamin C and one other antioxidant, vitamin E, heighten the protecting talents in opposition to the solar in sunscreen formulations. Dermatologists may advocate utilizing a vitamin C serum containing vitamin E earlier than a sunscreen to harness vitamin C’s means to neutralize or rebalance the free radicals within the pores and skin.

 Vitamin C additionally helps to replenish vitamin E ranges within the pores and skin. Vitamin E is one other antioxidant like vitamin C, has been studied for its involvement in immune perform, sustaining pores and skin well being and its talents in supporting the pores and skin to guard itself from UV injury. 



As we age, collagen manufacturing decreases. From age 20, the quantity of collagen you produce reduces by 1% per 12 months. As a molecule, L-ascorbic acid has been studied for its function in pathways that produce collagen within the physique. Collagen types crosslinked fibers within the deeper layers of the pores and skin; this crosslinking creates a net-like construction. It’s thought that collagen could also be what supplies your pores and skin with construction, suppose firmness or elasticity.

Vitamin C acts as a cofactor or a helper molecule within the physique’s pure collagen forming course of. L-ascorbic acid has been studied to assist crosslinking and stabilize the collagen fibers. Vitamin C has additionally been investigated for its involvement within the manufacturing of a molecule referred to as procollagen mRNA. This molecule alerts the manufacturing of collagen and is liable for signaling to the cell that collagen is required. Whereas a number of research assist vitamin C’s involvement within the processes that produce collagen, analysis is ongoing as as to whether skincare merchandise containing vitamin C have important results in enhancing seen firmness and elasticity of the pores and skin.  Because the pores and skin is the final organ to obtain dietary vitamin C, topical L-ascorbic acid merchandise reminiscent of powders and serums could also be helpful to enhance the looks of the pores and skin. A research of vitamin C in skincare recognized that topical L-ascorbic acid merchandise elevated L-ascorbic acid ranges within the pores and skin.5 The research additionally discovered that vitamin C merchandise may enhance the looks of the pores and skin at any age.  


Pigmentation and L-ascorbic acid

Pigmentation happens on the floor of the pores and skin for a mess of inner and exterior causes. These can vary from being pregnant or melasma, hormonal imbalance, and solar injury to genetic predispositions, harm, or irritation. Melanin is the molecule liable for giving your pores and skin colour or pigment—The uneven manufacturing of melanin ends in pigmentation areas on the floor. Vitamin C works to cut back the visibility of pigmentation by means of inhibition of the enzyme liable for producing melanin within the pores and skin. By inhibiting the irregular manufacturing of melanin, vitamin C, on the proper focus and pH, will help reduce pigmentation’s look.  Dermatologists may advocate concentrated vitamin C merchandise alongside retinol and laser for pigmentation. Utilizing vitamin C to cut back the looks of pigmentation can take time and rely in your product’s energy and frequency. It’s essential to make use of sunscreen alongside vitamin C merchandise to keep away from additional pigmentation from the solar.  



Irritation within the pores and skin is frequent. Nonetheless, some folks must cope with infected pores and skin day by day. Situations reminiscent of zits, psoriasis, rosacea, and eczema could trigger the pores and skin to be chronically infected. Vitamin C or L-ascorbic acid is at present being studied for its function within the irritation course of. 

Vitamin C is believed to inhibit a molecule that prompts pro-inflammatory cytokines. Cytokines are concerned in immunity and assist produce the irritation response within the physique to heal – consider wholesome wound therapeutic. In circumstances the place the pores and skin is chronically infected, the cytokines react inappropriately, usually working in overdrive. This can lead to persistent irritation. Presently, topical vitamin C merchandise are being examined for the way it’s concerned in irritation, wound therapeutic, and post-inflammatory linked pigmentation. 


Pores and skin barrier integrity

The integrity of the pores and skin barrier is crucial for sustaining wholesome, clear pores and skin. The pores and skin barrier contains the outermost layers of your pores and skin. It’s liable for defending the pores and skin’s deeper layers from injury, allergens, micro organism, and moisture loss. When points with the pores and skin barrier happen, it could recommend circumstances reminiscent of atopic dermatitis and eczema. 

Vitamin C has been utilized in mixture with different skincare elements and dermatological therapies to deal with circumstances that have an effect on the pores and skin barrier. Vitamin C is believed to take care of the pores and skin barrier by enhancing the flexibility of a sort of cell, keratinocyte, to specialize its perform within the cell. 

What Ought to You Think about When Selecting A Vitamin C Product?


Stability of your vitamin C product

L-ascorbic acid is a extremely unstable molecule. It requires a water-based surroundings, a low pH, and antioxidants to extend its means to penetrate the pores and skin deeply. All of those circumstances are vital for making a steady and energetic vitamin C product. It’s important to know why L-ascorbic acid requires these circumstances when selecting a vitamin C product so as to discover one that’s efficient and can final. 

L-ascorbic acid has a diminished means to penetrate the pores and skin at its pure pH. The diminished penetration is a results of the construction of the L-ascorbic acid molecule. L-ascorbic acid is a charged molecule and is hydrophilic. These two traits imply that L-ascorbic acid will readily bind to water molecules, making it exhausting for the molecule to go by means of the pores and skin’s hydrophobic layers. 

Decreasing the pH of a product to lower than 3.5 or make it extra acidic, permits for L-ascorbic acid to penetrate deeper and be steady for longer.4  Nonetheless, decreasing the pH of the product could result in sensitization of the pores and skin, because the pure pH of the pores and skin is round 5.5. You will need to know the focus of the product (extra on that beneath). 

To create a extra steady product that lasts longer, some vitamin C merchandise available on the market use totally different types of vitamin C of their merchandise. Different vitamin C’s reminiscent of; magnesium ascorbyl phosphate or ascorbyl-6-palmitate are extra steady at a impartial pH.1

Nonetheless, a research carried out by Duke College Medical Middle discovered that these two substitutes didn’t improve the pure vitamin C ranges within the pores and skin.1

Some formulations will embody different antioxidants to assist stabilize the L-ascorbic acid. Research have prompt that incorporating antioxidants reminiscent of ferulic acid and vitamin E can improve the steadiness and enhance the product’s means to penetrate deeply into the pores and skin. A research printed within the Journal for Investigative Dermatology discovered that the ferulic acid stabilized the formulation and elevated the protecting capabilities of vitamin C to the solar’s results.7 

In poorly designed merchandise or formulations, the L-ascorbic acid can destabilize within the bottle, usually leaving the product with a yellow hue. Oxidation is the method that causes this discoloration in your product. In poorly designed formulations, the method of oxidation also can happen on the pores and skin’s floor, leaving the pores and skin with a buildup of free radicals and acidic by-products or waste. This may have an effect on the well being of the pores and skin mantle barrier, work together with different merchandise, and hasten the getting old course of. L-ascorbic acid will solely keep energetic in skincare merchandise for a brief interval as soon as opened. Even well-designed merchandise will expertise this, as publicity to the air will oxidize the L-ascorbic acid.  To extend your product’s longevity, search for powder formulations, merchandise in vial type, or small product sizes or merchandise formulated with antioxidants reminiscent of ferulic acid. 



Focus is one other important aspect when contemplating which L-ascorbic acid merchandise would finest fit your wants. Manufacturers will promote a excessive stage of vitamin C of their product, reminiscent of manufacturers which have 100% L-ascorbic acid of their product names. Whereas it could appear interesting to have concentrated merchandise, concentrations of L-ascorbic acid above 20% can irritate your pores and skin. Excessive ranges of L-ascorbic acid can sensitize the pores and skin, so at all times verify what focus of L-ascorbic acid is within the product. Most dermatological research have discovered {that a} vary between 8-20% produces the most effective outcomes with restricted irritation.

The research carried out by Duke College Medical Middle discovered that the concentrations of L-ascorbic acid above 20% do not need elevated pores and skin advantages.3 The research decided that conversely, larger ranges can negatively influence the pores and skin’s situation. Delicate pores and skin varieties ought to use vitamin C merchandise within the decrease a part of the vary.


Artificial or plant-based vitamin C

Often manufacturers gained’t promote the energy of the vitamin C content material within the product however as an alternative give attention to the supply. This ignorance concerning focus happens with formulations using Kakadu Plum, Hibiscus, or plant-based vitamin C sources. The difficulty with plant-based sources of vitamin C is that they are typically low in focus and are usually unstable. The energy of L-ascorbic acid in Kakadu Plum is about 2%; as such can not have an effect on the pores and skin in any important means. The low focus of L-ascorbic acid in plant-based sources and the instability of most pure sources is why handiest vitamin C merchandise use an artificial type of L-ascorbic acid of their formulations, together with most clear magnificence manufacturers. 


Vitamin C merchandise

Many product varieties can ship vitamin C to the pores and skin.  Vitamin C formulations come as gels, serums, powders, and even in oil. L-ascorbic acid is a water-soluble molecule that requires a low pH and the inclusion of stabilizers and antioxidants. So, most L-ascorbic acid formulations can be in a water base or dried type. 

L-ascorbic acid is utilized in gel or serum formulations and the product is absorbed rapidly with out including further moisturizing merchandise. This makes them appropriate for greasy or acneic pores and skin. Additionally they work properly with a longtime skincare routine, avoiding disrupting a working regime. Powder types of L-ascorbic acid are additionally out there. They stop the necessity for many stabilizers and cut back the danger of decreased effectiveness by means of publicity to the solar and air because the product turns into energetic solely when combined with water. 


Different varieties of vitamin C

The kind of vitamin C usually varies between formulations. As a vitamin C supply, L-ascorbic acid is essentially the most well-researched supply and the supply that has proven essentially the most advantages to the physique. Different types of artificial vitamin C utilized in skincare are mineral ascorbates, calcium ascorbate, magnesium ascorbate, ascorbyl palmitate, or tetrahexyldecyl ascorbate.  The kind of vitamin C and the kind of product can have a major impact on the efficacy of the product.

Research have indicated that tetrahexyldecyl ascorbate may equal L-ascorbic acid by way of effectiveness. Tetrahexyldecyl ascorbate is an oil-soluble type of vitamin C that works alongside different merchandise reminiscent of retinol. In a assessment carried out by the Beauty Ingredient Assessment, proof indicated that tetrahexyldecyl ascorbate is extra steady in resolution, much less irritating, and capable of penetrate deeper into the pores and skin, making it a promising vitamin C remedy. 

What Are The Different Makes use of Of L-Ascorbic Acid?

L-ascorbic acid may be used as a mixture remedy to assist the remedy of different pores and skin circumstances. Vitamin C has been used to assist therapies for progressive pigmented purpuric dermatosis (PPPD), allergic contact dermatitis, scarring, and vitiligo.8 These makes use of usually make the most of each the topical type and the oral type alongside different medicine and supplementation.

What are the Greatest Pores and skin Care Merchandise of 2022?

1. Al-Niami, F & Chiang, N 2017. ‘Topical Vitamin C and the Pores and skin: Mechanisms of Motion and Scientific Purposes’, The Journal of Scientific and Aesthetic Dermatology, vol. 10, is. 7, pp. 14-17.
2. Chen, L, Hu, J, Wang, S 2012. ‘The function of antioxidants in photoprotection: A important assessment’, Journal of the American Academy of Dermatology, vol 67, is. 5, pp.1013-1024. 
3. Murray, J, Burch, J, Streilein, R, Iannacchione, M, Corridor, R & Pinnell, S 2008. ‘A topical antioxidant resolution containing nutritional vitamins C and E stabilized by ferulic acid, supplied safety for human pores and skin in opposition to injury brought on by ultraviolet radiation’ Journal of the American Academy of Dermatology, vol. 59, is. 3, pp. 418-425. 
4. Pinnell, S, Yang, H, Omar, M, Monteiro-Riviere, N, DeBuys, H, Walker, L, Wang, Y & Levine, M 2001. ‘Topical L-ascorbic Acid: Percutaneous Absorption Research’, Dermatol Surg, vol.27, is. 2, pp.137-142. 
5. Pullar, J, Carr, A & Vissers, M 2017. ‘The Roles of Vitamin C in Pores and skin Well being’ Vitamins, vol. 9, is. 8, pp. 866. 
6. Telang, P 2013. ‘Vitamin C in dermatology’ Indian Dermatology On-line Journal, Vol. 4, is. 2, pp. 143-146. 
7. Yatskayer, M, Oresajo, C, Bhushan, P, Yano, S & Stephens, T 2011. ‘Scientific analysis of an antioxidant gel cream containing vitamin c, ferulic acid and phloretin on photodamaged pores and skin’, Journal of the American Academy of Dermatology, vol. 64, is. 2, pp. 24.
8. Wang, Okay, Jiang, H, Li, W, Qiang, M, Dong, T & Li, H 2018. ‘Position of Vitamin C in Pores and skin Illnesses’, Frontiers in Physiology, vol. 9, pp. 819. 

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