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Betaine

Betaine is a natural amino acid derivative often sourced from sugar beets, making it a gentle yet highly effective hydrating and soothing ingredient in Korean skincare (K-beauty). Known for its ability to balance skin’s moisture levels, protect against irritation, and improve skin softness, Betaine is especially valued in formulations designed for dry, sensitive, and combination skin.

In K-beauty products, Betaine is often paired with Hyaluronic Acid, Panthenol, or Centella Asiatica to deliver deep hydration without heaviness. Its lightweight texture makes it an excellent addition to toners, essences, serums, and creams, helping to keep the skin plump, smooth, and comfortable all day long.

Key Benefits of Betaine in K-Beauty

  • Hydrates & retains moisture – Strengthens the skin barrier while preventing water loss.

  • Soothes & protects – Reduces irritation and helps calm sensitive skin.

  • Improves texture & suppleness – Leaves skin feeling soft, balanced, and refreshed.

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JayJun - Roselle Tea Eye Gel Patch 60ea - Koreabe
JayJun - Roselle Tea Eye Gel Patch 60ea - Koreabe
JayJun

JayJun - Roselle Tea Eye Gel Patch 60ea

£21.10

£21.10

Its Skin - V7 Hyaluronic Toner 150ml - Koreabe
Its Skin - V7 Hyaluronic Toner 150ml - Koreabe
23% off
Its Skin

Its Skin - V7 Hyaluronic Toner 150ml

£15.91 £12.29

£15.91 £12.29

Its Skin - Blue Snail Moisturizer Cream 50ml - Koreabe
Its Skin - Blue Snail Moisturizer Cream 50ml - Koreabe
19% off
Its Skin

Its Skin - Blue Snail Moisturizer Cream 50ml

£18.95 £15.33

£18.95 £15.33

Its Skin - Peptide Collagen Moisturizer 50ml - Koreabe
Its Skin - Peptide Collagen Moisturizer 50ml - Koreabe
Sold out
Its Skin

Its Skin - Peptide Collagen Moisturizer 50ml

£18.95 £15.33

£18.95 £15.33

Bergamo - Collagen Essential Intensive Eyecream 100g - Koreabe
Bergamo - Collagen Essential Intensive Eyecream 100g - Koreabe
27% off
Bergamo

Bergamo - Collagen Essential Intensive Eyecream 100g

£15.82 £11.60

£15.82 £11.60

Bergamo - 24k Gold Luxury Gold Eye Serum 30ml - Koreabe
Bergamo - 24k Gold Luxury Gold Eye Serum 30ml - Koreabe
19% off
Bergamo

Bergamo - 24k Gold Luxury Gold Eye Serum 30ml

£16.17 £13.16

£16.17 £13.16

RNW - Moisture Aqua Cream 50ml - Koreabe
RNW - Moisture Aqua Cream 50ml - Koreabe
3% off
RNW

RNW - Moisture Aqua Cream 50ml

£16.24 £15.68

£16.24 £15.68

The Saem - Gem Miracle Black Pearl Bubble Mask 105g - Koreabe
The Saem - Gem Miracle Black Pearl Bubble Mask 105g - Koreabe
17% off
The Saem

The Saem - Gem Miracle Black Pearl Bubble Mask 105g

£28.34 £23.46

£28.34 £23.46

Goodal - Ice Heartleaf Hyaluron Soothing Toner 350ml - Koreabe
Goodal - Ice Heartleaf Hyaluron Soothing Toner 350ml - Koreabe
15% off
Goodal

Goodal - Ice Heartleaf Hyaluron Soothing Toner 350ml

£20.16 £17.14

£20.16 £17.14

Mary&May - Rose Hyaluronic Hydra Wash Off Pack 125ml - Koreabe
Mary&May - Rose Hyaluronic Hydra Wash Off Pack 125ml - Koreabe
10% off
Mary&May

Mary&May - Rose Hyaluronic Hydra Wash Off Pack 125ml

£17.49 £15.68

£17.49 £15.68

Skinfood Egg Cleansing Foam 150ml - Koreabe
Skinfood Egg Cleansing Foam 150ml - Koreabe
31% off
Skinfood

Skinfood Egg Cleansing Foam 150ml

£9.65 £6.63

£9.65 £6.63

Kundal - Honey&Macadamian Treatment Ylang Ylang 500ml - Koreabe
Kundal - Honey&Macadamian Treatment Ylang Ylang 500ml - Koreabe
28% off
Kundal

Kundal - Honey&Macadamian Treatment Ylang Ylang 500ml

£18.09 £13.11

£18.09 £13.11

Kundal- Honey&Macadamia Treatment White Musk 500ml - Koreabe
Kundal- Honey&Macadamia Treatment White Musk 500ml - Koreabe
38% off
Kundal

Kundal- Honey&Macadamia Treatment White Musk 500ml

£22.91 £14.25

£22.91 £14.25

Sulwhasoo - Gentle Cleansing Foam 200ml - Koreabe
Sulwhasoo - Gentle Cleansing Foam 200ml - Koreabe
9% off
Sulwhasoo

Sulwhasoo - Gentle Cleansing Foam 200ml

£32.81 £29.79

£32.81 £29.79

Dewytree - Pick and Quick Double Pad 100ea - Koreabe
Dewytree - Pick and Quick Double Pad 100ea - Koreabe
25% off
Dewytree

Dewytree - Pick and Quick Double Pad 100ea

£24.12 £18.09

£24.12 £18.09

Dr AG - Moist Derma Cica Repair Cream 50ml - Koreabe
Dr AG - Moist Derma Cica Repair Cream 50ml - Koreabe
32% off
Dr AG

Dr AG - Moist Derma Cica Repair Cream 50ml

£13.27 £9.04

£13.27 £9.04

Klairs - Rich Moist Foaming Cleanser 100ml - Koreabe
Klairs - Rich Moist Foaming Cleanser 100ml - Koreabe
22% off
Klairs

Klairs - Rich Moist Foaming Cleanser 100ml

£16.28 £12.66

£16.28 £12.66

TOCOBO - Collagen Brightening Eye Gel Cream 30ml - Koreabe
TOCOBO - Collagen Brightening Eye Gel Cream 30ml - Koreabe
30% off
TOCOBO

TOCOBO - Collagen Brightening Eye Gel Cream 30ml

£21.10 £14.77

£21.10 £14.77

Isntree - Hyaluronic Acid Natural Sun Cream 50ml - Koreabe
Isntree - Hyaluronic Acid Natural Sun Cream 50ml - Koreabe
Isntree

Isntree - Hyaluronic Acid Natural Sun Cream 50ml

£17.49

£17.49

Isntree - Hyaluronic Acid Toner Plus 200ml - Koreabe
Isntree - Hyaluronic Acid Toner Plus 200ml - Koreabe
31% off
Isntree

Isntree - Hyaluronic Acid Toner Plus 200ml

£14.00 £9.65

£14.00 £9.65

Abib Acne Foam Cleanser Heartleaf Foam 150ml - Koreabe
Abib Acne Foam Cleanser Heartleaf Foam 150ml - Koreabe
35% off
Abib

Abib Acne Foam Cleanser Heartleaf Foam 150ml

£13.87 £9.04

£13.87 £9.04

Skinfood Black Sugar Perfect Scrub Foam 180ml - Koreabe
Skinfood Black Sugar Perfect Scrub Foam 180ml - Koreabe
30% off
Skinfood

Skinfood Black Sugar Perfect Scrub Foam 180ml

£16.88 £11.88

£16.88 £11.88

S.Nature Super Aqua Gel Oasis Ampule Mask 30ml 5 units - Koreabe
S.Nature Super Aqua Gel Oasis Ampule Mask 30ml 5 units - Koreabe
9% off
S.Nature

S.Nature Super Aqua Gel Oasis Ampule Mask 30ml 5 units

£18.49 £16.80

£18.49 £16.80

S.Nature Aqua Oasis Toner 300ml - Koreabe
S.Nature Aqua Oasis Toner 300ml - Koreabe
23% off
S.Nature

S.Nature Aqua Oasis Toner 300ml

£22.62 £17.49

£22.62 £17.49

COSRX Centella Blemish Cream 30g - Koreabe
COSRX Centella Blemish Cream 30g - Koreabe
Sold out
COSRX

COSRX Centella Blemish Cream 30g

£13.89 £10.25

£13.89 £10.25

COSRX Centella Water Alcohol-Free Toner 150ml - Koreabe
COSRX Centella Water Alcohol-Free Toner 150ml - Koreabe
COSRX

COSRX Centella Water Alcohol-Free Toner 150ml

£12.06

£12.06

Aestura - Atobarrier Cleansing Foam 200ml
21% off
AESTURA

Aestura - Atobarrier Cleansing Foam 200ml

£23.18 £18.36

£23.18 £18.36

Aesthein - Exosome Cleansing Gel 200ml
5% off
Aesthein

Aesthein - Exosome Cleansing Gel 200ml

£98.53 £93.70

£98.53 £93.70

Milli 2 - 500 Dalton Protein Collagen Mist - 55ml
17% off
Milli2

Milli 2 - 500 Dalton Protein Collagen Mist - 55ml

£17.49 £14.47

£17.49 £14.47

Medicube - Glutathione Glow Capsule Cream 50ml
31% off
Medicube

Medicube - Glutathione Glow Capsule Cream 50ml

£42.21 £28.94

£42.21 £28.94

Dewytree - AC Deep Soothing Pore Pads 100ea (+Pad Case) (Pokemon Ver)
Sold out
Dewytree

Dewytree - AC Deep Soothing Pore Pads 100ea (+Pad Case) (Pokemon Ver)

£22.47 £19.45

£22.47 £19.45

Dr Rejuall - Advanced Retino-Mela Tone Cream 30ml
10% off
Dr Rejuall

Dr Rejuall - Advanced Retino-Mela Tone Cream 30ml

£30.27 £27.25

£30.27 £27.25

Medicube - Soy Mint Scaling Shampoo 500ml
11% off
Medicube

Medicube - Soy Mint Scaling Shampoo 500ml

£26.66 £23.64

£26.66 £23.64

Masil - 3 Salon Hair CMC Shampoo Stick Pouch 8ml 20ea
18% off
Masil

Masil - 3 Salon Hair CMC Shampoo Stick Pouch 8ml 20ea

£16.39 £13.38

£16.39 £13.38

S Nature - Aqua Collagen Peptide NAD+ Cream 50ml
13% off
S.Nature

S Nature - Aqua Collagen Peptide NAD+ Cream 50ml

£41.82 £36.18

£41.82 £36.18

Dr Groot - PDRN + Root Volume Booster Serum 50ml
14% off
Dr Groot

Dr Groot - PDRN + Root Volume Booster Serum 50ml

£21.56 £18.55

£21.56 £18.55

Lilyeve - Scalp Turn Cica PDRN Deep Clean Shampoo 500ml - Koreabe
11% off
Lilyeve

Lilyeve - Scalp Turn Cica PDRN Deep Clean Shampoo 500ml

£27.63 £24.62

£27.63 £24.62

Isntree - Onion Blemish Soothing Gel Cream 50ml - Koreabe
Isntree - Onion Blemish Soothing Gel Cream 50ml - Koreabe
32% off
Isntree

Isntree - Onion Blemish Soothing Gel Cream 50ml

£9.50 £6.49

£9.50 £6.49

Duem - Reef In Collagen Shot Sleeping Mask 50ml - Koreabe
Duem - Reef In Collagen Shot Sleeping Mask 50ml - Koreabe
11% off
Duem

Duem - Reef In Collagen Shot Sleeping Mask 50ml

£27.25 £24.24

£27.25 £24.24

Rire - NMN Cream 50ml - Koreabe
Rire - NMN Cream 50ml - Koreabe
18% off
Rire

Rire - NMN Cream 50ml

£23.46 £19.30

£23.46 £19.30

Shaishaishai - Aloe PDRN Mud Mask 100ml - Koreabe
Shaishaishai - Aloe PDRN Mud Mask 100ml - Koreabe
13% off
Shaishaishai

Shaishaishai - Aloe PDRN Mud Mask 100ml

£22.62 £19.61

£22.62 £19.61

Trimay - Lacto Houttuynia Madeca Calming 200ml - Koreabe
Trimay - Lacto Houttuynia Madeca Calming 200ml - Koreabe
17% off
Trimay

Trimay - Lacto Houttuynia Madeca Calming 200ml

£17.67 £14.65

£17.67 £14.65

Trimay - Jeju Matcha Emulsion Cream 150ml - Koreabe
Trimay - Jeju Matcha Emulsion Cream 150ml - Koreabe
13% off
Trimay

Trimay - Jeju Matcha Emulsion Cream 150ml

£22.55 £19.54

£22.55 £19.54

Dermafirm - Hydra Cleansing Oil R4 - 120ml - Koreabe
Dermafirm - Hydra Cleansing Oil R4 - 120ml - Koreabe
7% off
Dermafirm

Dermafirm - Hydra Cleansing Oil R4 - 120ml

£16.82 £15.62

£16.82 £15.62

VT - TX-toning Daily Mask Moist & Soothing 30ea - Koreabe
VT - TX-toning Daily Mask Moist & Soothing 30ea - Koreabe
15% off
VT Cosmetics

VT - TX-toning Daily Mask Moist & Soothing 30ea

£19.96 £16.94

£19.96 £16.94

The Lab by Blanc Doux - Homme Tone Cover Cream 30ml - Koreabe
34% off
The Lab by Blanc Doux

The Lab by Blanc Doux - Homme Tone Cover Cream 30ml

£8.74 £5.73

£8.74 £5.73

Chaebgonggan - Oryza Sativa Pack Cleanser 45g - Koreabe
Chaebgonggan - Oryza Sativa Pack Cleanser 45g - Koreabe
34% off
Chaebgonggan

Chaebgonggan - Oryza Sativa Pack Cleanser 45g

£8.92 £5.91

£8.92 £5.91

Axis-Y - New Skin Resolution Gel Mask 100ml - Koreabe
Axis-Y - New Skin Resolution Gel Mask 100ml - Koreabe
25% off
Axis-Y

Axis-Y - New Skin Resolution Gel Mask 100ml

£26.32 £19.84

£26.32 £19.84

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