Date published: 2026-5-30

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K12 Activators

K12 Activators are a group of chemical compounds that indirectly influence the expression and function of keratin type I cytoskeletal 12 by acting on various cellular pathways and conditions necessary for keratin synthesis and stability. They range from vitamins and minerals that provide essential nutrients and cofactors to bioactive compounds that modulate gene expression and cellular stress responses.

These activators include retinoic acid, which can enhance gene expression by interacting with nuclear receptors; EGCG, which activates NRF2 and increases the expression of cytoprotective genes including keratins; and calcium ions, which are pivotal in keratinocyte differentiation and keratin synthesis. Trace elements like zinc and selenium contribute to the structural integrity and antioxidant defense of keratinocytes, thereby supporting K12 expression. Vitamins and related nutrients such as niacinamide, biotin, and D-panthenol play roles in maintaining skin barrier function and cellular growth, processes that are essential for keratin protein synthesis. Amino acids like L-cysteine and methionine serve as direct precursors for keratin production. Finally, antioxidant compounds such as vitamin E protect keratinocytes from oxidative stress, ensuring optimal conditions for K12 expression. Copper peptides have been found to stimulate the production and repair processes in skin cells, leading to increased keratin production.

SEE ALSO...

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)

Retinoic acid can influence keratin gene expression by binding to nuclear receptors and modulating transcriptional processes, thus potentially upregulating the expression of K12.

(−)-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)

EGCG can activate NRF2, a transcription factor that regulates the expression of protective cytoprotective genes, which may include keratins like K12 under conditions of oxidative stress.

Calcium chloride anhydrous

10043-52-4sc-207392
sc-207392A
100 g
500 g
$66.00
$262.00
1
(1)

Calcium ions play a significant role in keratinocyte differentiation, which can lead to increased synthesis of keratins such as K12.

Zinc

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

Zinc is essential for the proper function of numerous enzymes and it may play a role in keratinocyte differentiation and the expression of keratins, including K12.

Selenium

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

Selenium is crucial for antioxidant defense mechanisms and may aid in maintaining keratinocyte health, potentially influencing K12 expression.

Nicotinamide

98-92-0sc-208096
sc-208096A
sc-208096B
sc-208096C
100 g
250 g
1 kg
5 kg
$44.00
$66.00
$204.00
$831.00
6
(1)

Niacinamide can support skin barrier function and is involved in the synthesis of keratinocytes, which may upregulate keratin proteins like K12.

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)

As a sulfur-containing amino acid, L-Cysteine is a building block of keratins and its supplementation can support the synthesis of keratin proteins such as K12.

L-Methionine

63-68-3sc-394076
sc-394076A
sc-394076B
sc-394076C
sc-394076D
sc-394076E
25 g
100 g
250 g
1 kg
5 kg
10 kg
$34.00
$37.00
$57.00
$151.00
$577.00
$1103.00
(0)

Methionine, another sulfur-containing amino acid, is a precursor in keratin synthesis and can thus support the production of K12.

(+)-α-Tocopherol

59-02-9sc-214454
sc-214454A
sc-214454B
sc-214454C
10 g
25 g
100 g
1 kg
$43.00
$62.00
$141.00
$430.00
(1)

Vitamin E can protect keratinocytes from oxidative damage, thus preserving their function and possibly influencing the expression of keratins like K12.

D-(+)-Biotin

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

Biotin is important for cellular growth and the synthesis of keratin, and it may therefore support the production of K12.