結果 : is collagen bad for your face
5:00

COLLAGEN — What Is It & What Is Collagen Good For? | Doctor ER

Doctor ER
266,445 回視聴 - 4 年前
9:09

Top 8 Benefits of Taking Collagen Supplements | Doctor ER

Doctor ER
574,072 回視聴 - 3 年前
7:28

Do Collagen Supplements Work? | 5 HUGE Mistakes When Taking Collagen

Dr. Arsalan Aspires
833,756 回視聴 - 1 年前

-
14:53

Downside of Collagen Supplements | Pros & Cons, Side Effects, Unrealistic Expectations & More

Free Range Diva
29,988 回視聴 - 1 年前
0:54

Collagen Has 4 Amazing Health Benefits!

Skynfyx
472,127 回視聴 - 1 年前

-
6:57

5 Surprising Facts About Collagen Supplements You Must Know!

Doctor Youn
457,654 回視聴 - 9 か月前
47:02

How to get clearer, brighter, glowing skin

ALESMAXii
23 回視聴 - 1 日前 に配信済み
8:02

New Study Shows Collagen Doesn’t Work? Controversial!

Dr Brad Stanfield
221,039 回視聴 - 1 年前
0:32

How Good Is Collagen For Your Skin? || Dr Ankur Sarin ||

Dr. Sarin
81,044 回視聴 - 1 年前
5:51

COLLAGEN Supplements. What you need to know before starting. 🐷🐮🐟🥚

Dr. Jin W. Sung
191,140 回視聴 - 2 年前
7:30

The #1 Collagen Tip for Amazing Hair, Nails, & Skin

Dr. Eric Berg DC
2,176,969 回視聴 - 7 か月前
0:51

Do Collagen Supplements WORK?

Skynfyx
73,885 回視聴 - 10 か月前
27:50

Collagen Degeneration - These things are RAPIDLY AGING your face

Dr. Stefani Kappel
113,273 回視聴 - 8 か月前
25:34

Does collagen really work for better skin, hair and nails? Doctor weighs in with the SCIENCE

DrAmirKaram
1,588,186 回視聴 - 1 年前
12:11

*REAL* Secret Behind Collagen Supplements

We R Stupid
196,231 回視聴 - 1 年前
17:05

The Truth About Collagen | 7 HUGE Myths About Taking Collagen

Dr Dray
258,640 回視聴 - 9 か月前
7:24

COLLAGEN SUPPLEMENTS- DOCTOR V| Does it work? | Brown/ dark skin, SOC | DR V| Joints, Hair, Skin

Dr. Vanita Rattan
1,421,761 回視聴 - 4 年前
8:54

Is Collagen Powder Good for You?

Face Yoga Method
3,850 回視聴 - 2 年前
17:38

Do collagen supplements really work? 🤔 Dermatologist @DrDrayzday

Dr Dray
966,282 回視聴 - 1 年前