Date published: 2026-1-16

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Keratin 38 Activators

Keratin 38 activators are compounds that indirectly stimulate the expression of Keratin 38 by interacting with various cellular pathways and physiological processes. These activators are diverse, ranging from vitamins and trace elements to complex organic molecules, each contributing to the regulation of keratin expression through different mechanisms. Retinoic Acid and Vitamin D3, for example, are potent modulators of gene expression and have a specific role in the differentiation of keratinocytes, which directly correlates with the synthesis of keratins, including KRT38. Similarly, polyphenols such as Epigallocatechin gallate exert their effects through antioxidant properties and cellular differentiation pathways that are crucial for keratin regulation.

Amino acids like L-Cysteine and Methionine are fundamental for the structural integrity of keratins; they provide the necessary substrates for keratin fiber formation, thus influencing KRT38 expression. Minerals such as Zinc and Selenium serve as vital cofactors and antioxidants, respectively, supporting keratinocyte function and by extension, the synthesis of keratins. Copper peptide, a compound known for its role in skin regeneration, along with Sphinganine, a bioactive lipid, are involved in signaling cascades that have the potential to upregulate keratin production, highlighting the complexity and interconnectivity of pathways that regulate KRT38. Caffeine, a well-known stimulant, extends the anagen phase of hair growth, which may enhance KRT38 expression as part of the hair follicle's response to prolonged growth signals.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$66.00
$325.00
$587.00
$1018.00
28
(1)

A metabolite of Vitamin A that regulates gene expression through retinoic acid receptors; it can influence keratin gene expression, including KRT38, by modulating cellular differentiation processes in keratinocytes.

(−)-Epigallocatechin Gallate

989-51-5sc-200802
sc-200802A
sc-200802B
sc-200802C
sc-200802D
sc-200802E
10 mg
50 mg
100 mg
500 mg
1 g
10 g
$43.00
$73.00
$126.00
$243.00
$530.00
$1259.00
11
(1)

A polyphenol found in green tea that has been shown to affect growth and differentiation in various cell types; it can upregulate keratin expression, potentially including KRT38, by influencing signaling pathways that govern cellular differentiation.

Minoxidil (U-10858)

38304-91-5sc-200984
sc-200984A
100 mg
1 g
$69.00
$351.00
(0)

A vasodilator that can also affect hair growth; it may stimulate KRT38 expression as part of the complex signaling events leading to hair shaft production.

Cholecalciferol

67-97-0sc-205630
sc-205630A
sc-205630B
1 g
5 g
10 g
$71.00
$163.00
$296.00
2
(1)

Its active form, calcitriol, acts via the vitamin D receptor to modulate gene expression; it can enhance the expression of keratins by affecting keratinocyte differentiation.

L-Cysteine

52-90-4sc-286072
sc-286072A
sc-286072B
sc-286072C
sc-286072D
25 g
100 g
500 g
5 kg
10 kg
$51.00
$112.00
$449.00
$1151.00
$2178.00
1
(1)

An amino acid that is a building block of keratins; supplementation can support keratin synthesis, including KRT38, by providing the necessary substrate for the formation of disulfide bonds, which are crucial for keratin fiber structure.

DL-Methionine

59-51-8sc-397777
100 g
$45.00
(0)

Another sulfur-containing amino acid involved in the synthesis of keratins; providing this amino acid can support the production of keratins such as KRT38 by contributing to the structural components necessary for their assembly.

D-(+)-Biotin

58-85-5sc-204706
sc-204706A
sc-204706B
1 g
5 g
25 g
$41.00
$107.00
$333.00
1
(4)

A vitamin that supports keratin infrastructure; it can promote KRT38 expression by enhancing the overall health and function of keratinocytes.

Zinc

7440-66-6sc-213177
100 g
$48.00
(0)

An essential mineral that acts as a cofactor for multiple enzymes; it can influence keratinocyte proliferation and differentiation, which may upregulate KRT38 expression.

D-erythro-Sphingosine

123-78-4sc-3546
sc-3546A
sc-3546B
sc-3546C
sc-3546D
sc-3546E
10 mg
25 mg
100 mg
1 g
5 g
10 g
$90.00
$194.00
$510.00
$2448.00
$9384.00
$15300.00
2
(2)

A lipid signaling molecule that can regulate keratinocyte growth and differentiation; may modulate KRT38 expression through the pathways that govern lipid metabolism and signal transduction in skin cells.

Selenium

7782-49-2sc-250973
50 g
$62.00
1
(1)

An essential trace element with antioxidant properties; supports general cellular antioxidant systems, which can affect keratin expression including KRT38 by maintaining cellular health, thus promoting normal hair and skin physiology.