PRODUCT REVIEW
Dermadoctor KP Duty Dermatologist Formulated Therapy for Dry, Rough, Bumpy Skin
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Product summary
What can the product work for?
Anti-aging
What does the product description say?
Incomparable PHA chemically exfoliates, offers anti-aging antioxidant benefits and is a mega-moisturizing humectant able to hold 4x its weight in water compared to hyaluronic acid Lactobionic Acid.
lactobionic acid
0.65% -
1%
Irritation risk:
Concentration: Effectiveness: HIGH
A polyhydroxy acid (PHA) that helps shed dead cells from the surface of the skin revealing a smoother, more even skin. PHAs tend to be gentler on the skin compared to AHAs (for example, glycolic acid). It also has hydrating properties and helps attract water to the upper layer of the skin. It can help calm down inflammation in skin and support restoration of the barrier function. It has an anti-oxidant effect as well. It can help reduce fine line, wrinkles and improve skin elasticity
glycolic acid
1.1% -
1.4%
Irritation risk:
Concentration: Effectiveness: HIGH
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
lactic acid
2.7% -
3.3%
Irritation risk:
Concentration: Effectiveness:
MEDIUM
An exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)
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Exfoliation
What does the product description say?
KP Duty Dermatologist Formulated Therapy for Dry, Rough, Bumpy Skin
glycolic acid
1.1% -
1.4%
Irritation risk:
Concentration: Effectiveness: HIGH
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
lactic acid
2.7% -
3.3%
Irritation risk:
Concentration: Effectiveness: HIGH
An exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)
lactobionic acid
0.65% -
1%
Irritation risk:
Concentration: Effectiveness: HIGH
A polyhydroxy acid (PHA) that helps shed dead cells from the surface of the skin revealing a smoother, more even skin. PHAs tend to be gentler on the skin compared to AHAs (for example, glycolic acid). It also has hydrating properties and helps attract water to the upper layer of the skin. It can help calm down inflammation in skin and support restoration of the barrier function. It has an anti-oxidant effect as well. It can help reduce fine line, wrinkles and improve skin elasticity
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Moisturizing
What does the product description say?
KP Duty Dermatologist Formulated Therapy for Dry, Rough, Bumpy Skin
lactobionic acid
0.65% -
1%
Irritation risk:
Concentration: Effectiveness: HIGH
A polyhydroxy acid (PHA) that helps shed dead cells from the surface of the skin revealing a smoother, more even skin. PHAs tend to be gentler on the skin compared to AHAs (for example, glycolic acid). It also has hydrating properties and helps attract water to the upper layer of the skin. It can help calm down inflammation in skin and support restoration of the barrier function. It has an anti-oxidant effect as well. It can help reduce fine line, wrinkles and improve skin elasticity
ceramide ns
0.6% -
0.9%
Irritation risk:
Concentration: Effectiveness: HIGH
A type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin
cholesterol
0.5% -
0.75%
Irritation risk:
Concentration: Effectiveness: HIGH
An emollient that is naturally found in skin
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Evens skin tone
glycolic acid
1.1% -
1.4%
Irritation risk:
Concentration: Effectiveness: HIGH
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
lactic acid
2.7% -
3.3%
Irritation risk:
Concentration: Effectiveness: HIGH
An exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)
lactobionic acid
0.65% -
1%
Irritation risk:
Concentration: Effectiveness: HIGH
A polyhydroxy acid (PHA) that helps shed dead cells from the surface of the skin revealing a smoother, more even skin. PHAs tend to be gentler on the skin compared to AHAs (for example, glycolic acid). It also has hydrating properties and helps attract water to the upper layer of the skin. It can help calm down inflammation in skin and support restoration of the barrier function. It has an anti-oxidant effect as well. It can help reduce fine line, wrinkles and improve skin elasticity
Show more
Anti-oxidation
lactobionic acid
0.65% -
1%
Irritation risk:
Concentration: Effectiveness: HIGH
A polyhydroxy acid (PHA) that helps shed dead cells from the surface of the skin revealing a smoother, more even skin. PHAs tend to be gentler on the skin compared to AHAs (for example, glycolic acid). It also has hydrating properties and helps attract water to the upper layer of the skin. It can help calm down inflammation in skin and support restoration of the barrier function. It has an anti-oxidant effect as well. It can help reduce fine line, wrinkles and improve skin elasticity
superoxide dismutase
0.25% -
0.5%
Irritation risk:
Concentration: Effectiveness: HIGH
An antioxidant enzyme that is naturally present in skin. It can help support skin barrier function and reduce inflammation in skin. It is used in topical medications for inflammatory skin conditions including atopic dermatitis (eczema) and psoriasis. There are three types of natural Superoxide Dismutase in human skin. The compound used in topical treatments and cosmetics are mimics of typically one of these natural variants
squalene
0.5% -
0.75%
Irritation risk: Comedogenicity: Medium
Concentration: Effectiveness:
MEDIUM
An oil that is naturally part of skin sebum that helps to soften its upper layer, reduce water loss and neutralize free radicals. It might be comedogenic. Avoid applying large concentrations (or pure oil) before sun exposure as oxidized squalene can clog pores and lead to skin irritation. Today squalene is mostly derived from vegetable oils or synthetized by yeast
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Honesty check
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Anti-aging | |
| Exfoliation | |
| Moisturizing |
Total Promises Fulfilled score:
100/100.
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Can it cause trouble?
- Overall product irritation risk
- Acne & comedogenic risk ingredients: 2
Potential irritants
glycolic acid
1.1% -
1.4%
Irritation risk:
Works for:
Exfoliation,
Anti-aging,
Evens skin tone,
Anti-blemish
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
salix alba bark extract
0.6% -
0.9%
Irritation risk:
Works for:
Anti-oxidation,
Anti-inflammatory,
Anti-blemish,
Exfoliation
A plant extract that can help neutralize free radicals in skin. It contains a compound salicin that can theoretically be converted into salicylic acid that, in turn, helps reduce inflammation in skin, but the evidence of effectiveness in skin is lacking and the extract is usually not used in a concentration that would enable an exfoliating effect
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Comodogenic ingredients
butyrospermum parkii butter
0.8% -
1.2%
Irritation risk: Comedogenicity: High
Works for:
Moisturizing,
Anti-oxidation,
Anti-aging
A great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals
squalene
0.5% -
0.75%
Irritation risk: Comedogenicity: Medium
Works for:
Moisturizing,
Anti-oxidation
An oil that is naturally part of skin sebum that helps to soften its upper layer, reduce water loss and neutralize free radicals. It might be comedogenic. Avoid applying large concentrations (or pure oil) before sun exposure as oxidized squalene can clog pores and lead to skin irritation. Today squalene is mostly derived from vegetable oils or synthetized by yeast
User reviews (0)
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Ingredients & concentrations
All ingredients
Key Actives
lactobionic acid
0.65% -
1%
Irritation risk:
Works for:
Evens skin tone,
Moisturizing,
Anti-aging,
Anti-oxidation,
Exfoliation,
Anti-inflammatory,
Anti-blemish
A polyhydroxy acid (PHA) that helps shed dead cells from the surface of the skin revealing a smoother, more even skin. PHAs tend to be gentler on the skin compared to AHAs (for example, glycolic acid). It also has hydrating properties and helps attract water to the upper layer of the skin. It can help calm down inflammation in skin and support restoration of the barrier function. It has an anti-oxidant effect as well. It can help reduce fine line, wrinkles and improve skin elasticity
gluconolactone
0.8% -
1.2%
Irritation risk:
Works for:
Moisturizing,
Evens skin tone,
Anti-aging,
Exfoliation,
Anti-oxidation,
Anti-blemish
A polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals
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Potential irritants
glycolic acid
1.1% -
1.4%
Irritation risk:
Works for:
Exfoliation,
Anti-aging,
Evens skin tone,
Anti-blemish
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
salix alba bark extract
0.6% -
0.9%
Irritation risk:
Works for:
Anti-oxidation,
Anti-inflammatory,
Anti-blemish,
Exfoliation
A plant extract that can help neutralize free radicals in skin. It contains a compound salicin that can theoretically be converted into salicylic acid that, in turn, helps reduce inflammation in skin, but the evidence of effectiveness in skin is lacking and the extract is usually not used in a concentration that would enable an exfoliating effect
Show more
Comodogenic ingredients
butyrospermum parkii butter
0.8% -
1.2%
Irritation risk: Comedogenicity: High
Works for:
Moisturizing,
Anti-oxidation,
Anti-aging
A great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals
squalene
0.5% -
0.75%
Irritation risk: Comedogenicity: Medium
Works for:
Moisturizing,
Anti-oxidation
An oil that is naturally part of skin sebum that helps to soften its upper layer, reduce water loss and neutralize free radicals. It might be comedogenic. Avoid applying large concentrations (or pure oil) before sun exposure as oxidized squalene can clog pores and lead to skin irritation. Today squalene is mostly derived from vegetable oils or synthetized by yeast
All ingredients
c12-15 alkyl benzoate
5% -
6.1%
Irritation risk:
Works for:
Moisturizing
Enhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth
urea
4.4% -
5.4%
Irritation risk:
Works for:
Moisturizing,
Exfoliation
Naturally present in skin (urea makes up about 7% of natural moisturizing factors in skin). Attracts water to the upper layer of the skin. Also has a positive effect on the skin barrier beyond the humectant action. Can enhance penetration of other ingredients. Is an exfoliating ingredient when used in high concentrations
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Ingredient list view
Water, C12-15 alkyl benzoate, Urea, Caprylic/capric triglyceride, Lactic acid, Sorbitol, Sorbitan stearate, Peg-100 stearate, Glyceryl stearate, Glycolic acid, Gluconolactone, Butyrospermum parkii butter, Sodium hydroxide, Lactobionic acid, Salix alba bark extract, Ceramide np, Ceramide ns, Ceramide eos, Ceramide eop, Ceramide ap, Unknown, Caprooyl phytosphingosine, Theobroma grandiflorum seed butter, Cholesterol, Squalene, Camellia sinensis leaf extract, Glycyrrhiza glabra root extract, Boswellia serrata extract, Unknown, Boswellia carterii oil, Rosa damascena extract, Superoxide dismutase, Tocopherol, Ascorbyl palmitate, Glycerin, Propylene glycol, Xanthan gum, Polysorbate 60, Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, Ethylhexylglycerin, Sodium chloride, Sorbitan isostearate, Ceteareth-25, Cetyl alcohol, Behenic acid, Phenoxyethanol
Sources
- Topical urea in skincare: A review
- Epidermal and dermal effects of topical lactic acid
- Dual Effects of Alpha-Hydroxy Acids on the Skin
- Photoprotective and antiinflammatory effects of topical glycolic acid
- Glycolic acid peel therapy – a current review
- Dual Effects of Alpha-Hydroxy Acids on the Skin
- A comparative study of gluconolactone versus benzoyl peroxide in the treatment of acne
- The Polyhydroxy Acid Gluconolactone Protects Against Ultraviolet Radiation in an In Vitro Model of Cutaneous Photoaging
- Applications of hydroxy acids: classification, mechanisms, and photoactivity
- The efficacy of glycolic acid, salicylic acid, gluconolactone, and licochalcone A combined with 0.1% adapalene vs adapalene monotherapy in mild-to-moderate acne vulgaris: a double-blinded within-person comparative study
- A polyhydroxy acid skin care regimen provides antiaging effects comparable to an alpha-hydroxyacid regimen
- The use of polyhydroxy acids (PHAs) in photoaged skin
- Blackwell Publishing, Ltd. Alpha-hydroxyacids and carboxylic acids
- An evaluation of a polyhydroxy acid skin care regimen in combination with azelaic acid 15% gel in rosacea patients
- Aging Skin: Causes, Treatments, and Prevention
- Clinical and cosmeceutical uses of hydroxyacids
- Polyhydroxy Acids (PHAs) Provide Conditioning Effects to Skin Without Increasing Sensitivity to UV Light
- Lactobionic acid
- Effects of lactobionic acid peel, aluminum oxide crystal microdermabrasion, and both procedures on skin hydration, elasticity, and transepidermal water loss
- Comparative evaluation of skin moisture after topical application of 10% and 30% lactobionic acid
- Efficacy and Safety of White Willow Bark (Salix alba) Extract
- An evaluation of the effect of a topical product containing salicin on the visible signs of human skin aging
- Skin hydration is significantly increased by a cream formulated to mimic the skin’s own natural moisturizing systems
- Topically Applied Ceramides Interact with the Stratum Corneum Lipid Matrix in Compromised Ex Vivo Skin
- Topical emulsions containing ceramides: Effects on the skin barrier function and anti‐inflammatory properties
- Advanced Skin Care – A Novel Ingredient
- Squalene and its potential clinical uses
- Biological and Pharmacological Activities of Squalene and Related Compounds: Potential Uses in Cosmetic Dermatology
- Enhanced comedo formation in rabbit ear skin by squalene and oleic acid peroxides
- A novel efficient and safe treatment for atopic dermatitis: Topical superoxide dismutase (SOD).
- Novel topical agent containing superoxide dismutase 100 000 IU and 4% of plant extracts as a mono-therapy for atopic dermatitis
- Copper/Zinc Superoxide Dismutase in Human Skin: Current Knowledge
- Photoprotective Effect of Topically Applied Superoxide Dismutase on Sunburn Reaction in Comparison with Sunscreen
- The role of superoxide dismutase (SOD) in skin disorders
- Topical formulations with superoxide dismutase: Influence of formulation composition on physical stability and enzymatic activity
- Skin protective effects of RM191A, a novel superoxide dismutase mimetic
- Vitamin E in dermatology
- Vitamin E and Skin Health
- Glycerol and the skin: holistic approach to its origin and functions
- Surfactants and experimental irritant contact dermatitis
- Propylene Glycol
- Skin-sensitizing and irritant properties of propylene glycol