Secret Key - Starting Treatment Essence

Secret Key Starting Treatment Essence

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Can it work? Irritants Ingredient concentrations Sources Similar products Q&A Where to buy
WORKS FOR
  • Anti-oxidation
  • Moisturizing
  • Anti-aging
  • Evens skin tone
  • +1 more
KEY INGREDIENTS
  • galactomyces ferment filtrate
  • adenosine
  • rh-oligopeptide-17
  • arbutin
  • camellia sinensis leaf extract
  • centella asiatica extract
  • dimethicone
  • ganoderma lucidum extract
  • glycerin
  • hamamelis virginiana extract
  • +7 more
PROMISES
FULFILLED
100 /100
IRRITANCY
MEDIUM
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In stock $22.89
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Price as of 7/30/2021 15:55 GMT. More info
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Formula review

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WIMJ summary

This product contains adenosine, centella asiatica extract, galactomyces ferment filtrate, rh-oligopeptide-17. These ingredients might be able to help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness, but there is not enough evidence that it actually works.

Ingredient Effectiveness Concentration Irritancy
MEDIUM
meets threshold
MEDIUM
meets threshold
MEDIUM
meets threshold
See a mistake?
WIMJ summary

The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually works: arbutin, galactomyces ferment filtrate.

Ingredient Effectiveness Concentration Irritancy
MEDIUM
meets threshold
MEDIUM
meets threshold
LOW
meets threshold
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Promise
What does the product description say?
"Used after cleansing, it softens and preps skin to receive succeeding treatments, boosting skin's ability to absorb and retain moisturizing ingredients for a dewy soft feel and a revitalized complexion."
WIMJ summary

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: galactomyces ferment filtrate, glycerin.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: dimethicone.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: rh-oligopeptide-17

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
HIGH
meets threshold
HIGH
meets threshold
See a mistake?
WIMJ summary

This product contains antioxidants (galactomyces ferment filtrate) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).

The following ingredients - arbutin, camellia sinensis leaf extract, centella asiatica extract also can have an antioxidant effect, but there is less evidence to confirm their effectiveness in skin.

Ingredient Effectiveness Concentration Irritancy
HIGH
meets threshold
MEDIUM
meets threshold
MEDIUM
meets threshold

Potential irritants

IRRITANCY
MEDIUM

Ingredients by volume

Ingredient Estimated concentration
Plain old water
40% - 60%
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
4.3% - 6.4%
A yeast ferment filtrate (also known as Pitera - a trademarked name for the filtrate reserved by the SK-II brand). It helps attract water to the upper layer of the skin, can help neutralize antioxidants and can be helpful in evening out the skin tone. It might be somewhat helpful in preventing premature skin aging but solid evidence is lacking. A small manufacturer study also shows that, when used in high concentrations, it can help reduce sebum production and help against blocked pores
3.2% - 4.8%
Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin
2.6% - 3.9%
Beta-arbutin. Can help to reduce hyperpigmentation and has an anti-oxidant effect when used in high enough concentration. Is less effective compared to alpha-arbutin
2.1% - 3.2%
Traditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin
1.7% - 2.5%
1.4% - 2.1%
A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish
1.4% - 2.1%
Plant extract that can have healing and anti-inflammatory properties. It is a potential allergen and can be irritating
1% - 1.6%
A plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.
0.55% - 1.3%
Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation
0.5% - 1.15%
0.4% - 0.95%
A plant extract that might have antioxidant properties
0.15% - 0.65%
Helps attract water to the upper layer of the skin
0.35% - 0.75%
A plant extract that might have some anti-inflammatory properties, but solid evidence is lacking. It can be irritating
0.3% - 0.7%
0.15% - 0.65%
0.15% - 0.7%
A plant extract that can help calm down inflammation in skin. Can, however, itself be irritating
0.15% - 0.55%
Used to thicken the product consistency
0.1% - 0.4%
A plant extract that has some anti-oxidant activity, but solid research is lacking. Can help attract water to the upper layer of the skin
0.1% - 0.4%
Plant extract that has some anti-oxidant properties. It can be irritating. Can be used to improve the product's smell
0.1% - 0.35%
Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to stimulate collagen production in skin
0.05% - 0.25%
A preservative. It helps prevent bacterial growth in cosmetic products
0.05% - 0.25%
Stabilizes the product formulation
0.01% - 0.1%

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