The Journal — Page 2

Research-backed articles on lipid science, oral care, skincare and the ingredients behind every CallNature formula.

Is Titanium Dioxide in Toothpaste Safe to Swallow? What the Evidence Says

Dental Health

Is Titanium Dioxide in Toothpaste Safe to Swallow? What the Evidence Says

By S. C. Aris about the author Last updated: 11 July 2026 Quick answer Titanium dioxide listed on a label as t…

CallNature Editorial · 11 min read
Are Sleep Wrinkles Permanent? How to Prevent Sleep Lines on Your Face

Skin / Anti-aging

Are Sleep Wrinkles Permanent? How to Prevent Sleep Lines on Your Face

By S. C. Aris about the author Last updated: 10 July 2026 Quick answer Are sleep wrinkles permanent? Not at fi…

CallNature Editorial · 11 min read
Why Can't I Smell My Own Bad Breath? (And How to Actually Check)

Dental Health

Why Can't I Smell My Own Bad Breath? (And How to Actually Check)

By S. C. Aris about the author Last updated: 9 July 2026 Quick answer You can't smell your own bad breath beca…

CallNature Editorial · 13 min read
Where to Buy Dental Pro 7: The Official Store, and Why It's Not on Amazon

Dental Health

Where to Buy Dental Pro 7: The Official Store, and Why It's Not on Amazon

If you have searched for Dental Pro 7 recently, you may have seen a confusing mix of websites, "official store…

CallNature Editorial · 3 min read
Should You Buff the Ridges Out of Your Nails? Why Nail Experts Say Don't

Nails

Should You Buff the Ridges Out of Your Nails? Why Nail Experts Say Don't

By S. C. Aris about the author Last updated: July 6, 2026 Quick Answer No routinely buffing ridges out of your…

CallNature Editorial · 13 min read
Why Do My Teeth Look Longer After a Deep Cleaning? (And Will My Gums Come Back?)

Dental Health

Why Do My Teeth Look Longer After a Deep Cleaning? (And Will My Gums Come Back?)

By S. C. Aris about the author Last updated: July 8, 2026 Quick Answer Your teeth almost certainly didn't get …

CallNature Editorial · 14 min read
Why Is My Scar Still Red — and How Long Does Scar Redness Last?

Scars & Stretch Marks

Why Is My Scar Still Red — and How Long Does Scar Redness Last?

By S. C. Aris about the author Last updated: 7 July 2026 Quick answer A red scar is almost always normal heali…

CallNature Editorial · 14 min read
Does Nail Hardener Actually Weaken Your Nails? The Formaldehyde Paradox

Nails

Does Nail Hardener Actually Weaken Your Nails? The Formaldehyde Paradox

By S. C. Aris about the author Last updated: 4 July 2026 Quick answer Used occasionally, a formaldehyde nail h…

CallNature Editorial · 12 min read
Why Does My Breath Still Smell After Brushing and Flossing?

Dental Health

Why Does My Breath Still Smell After Brushing and Flossing?

By S. C. Aris about the author Last updated: 2 July 2026 Quick answer If your breath still smells after brushi…

CallNature Editorial · 14 min read
Receding Gums From Brushing Too Hard: How to Stop It (and What Actually Helps)

Dental Health

Receding Gums From Brushing Too Hard: How to Stop It (and What Actually Helps)

By S. C. Aris about the author Last updated: 1 July 2026 Quick answer Yes brushing too hard is one of the most…

CallNature Editorial · 13 min read
How to Reduce the Appearance of a C-Section Scar

Scars & Stretch Marks

How to Reduce the Appearance of a C-Section Scar

By S. C. Aris about the author Last updated: 30 June 2026 Quick answer You can't erase a C-section scar comple…

CallNature Editorial · 16 min read
How to Repair Damaged Nails After Gel or Acrylic Removal

Nails

How to Repair Damaged Nails After Gel or Acrylic Removal

Quick answer: how to repair damaged nails after gel or acrylic removal You can't truly "fix" keratin that's al…

CallNature Editorial · 15 min read
Is Alcohol Denat in Skincare Bad for Your Skin? (What the Label Really Means)

Skin / Anti-aging

Is Alcohol Denat in Skincare Bad for Your Skin? (What the Label Really Means)

By S. C. Aris about the author Last updated: 28 June 2026 Quick answer: Is alcohol denat in skincare bad? It d…

CallNature Editorial · 12 min read
Bakuchiol Side Effects: Is It Safe, and Who Should Avoid It?

Skin / Anti-aging

Bakuchiol Side Effects: Is It Safe, and Who Should Avoid It?

By S. C. Aris about the author Last updated: 27 June 2026 Quick answer: Is bakuchiol safe? For most people, ye…

CallNature Editorial · 13 min read
Do Old Scars Ever Fade?

Scars & Stretch Marks

Do Old Scars Ever Fade?

⚡ Quick Answer: Many older scars do keep fading and flattening for months — sometimes a year or two — but most…

CallNature Editorial · 9 min read
Why Are My Nails So Weak and Brittle — and What Actually Helps?

Nails

Why Are My Nails So Weak and Brittle — and What Actually Helps?

⚡ Quick Answer: Weak, brittle nails that split, peel, or bend usually come from one thing more than any other:…

CallNature Editorial · 9 min read
Rosehip vs Retinol for Ageing Skin: A Scientific Comparison

Skin / Anti-aging

Rosehip vs Retinol for Ageing Skin: A Scientific Comparison

⚡ Quick Answer: Retinol is the most evidence-backed anti-ageing active there is — but it comes with irritation…

CallNature Editorial · 11 min read
What Is the Best Anti-Aging Serum for Mature Skin?

Skin / Anti-aging

What Is the Best Anti-Aging Serum for Mature Skin?

⚡ Quick Answer: The best anti-aging serum for mature skin is one that does two things most serums don't: it ad…

CallNature Editorial · 12 min read
Do Receding Gums Grow Back, and What Helps Them?

Dental Health

Do Receding Gums Grow Back, and What Helps Them?

⚡ Quick Answer: Receding gums happen when the gum line pulls back and exposes more of the tooth, usually from …

CallNature Editorial · 8 min read
Can Dry Skin Cause Bumps? Understanding the Connection

Wellness

Can Dry Skin Cause Bumps? Understanding the Connection

Dry skin can indeed lead to the formation of bumps, often due to the skin's texture changes. Discover how to i…

CallNature Editorial · 4 min read
Are Phthalates Harmful in Skincare and Cosmetics?

Skin / Anti-aging

Are Phthalates Harmful in Skincare and Cosmetics?

Phthalates in cosmetics may disrupt hormones and lead to health issues. Learn how they affect the body and way…

CallNature Editorial · 5 min read
Understanding the Risks of Parabens in Skin and Dental Products

Skin / Anti-aging

Understanding the Risks of Parabens in Skin and Dental Products

Parabens, common preservatives in skin and dental products, may pose potential risks. Research highlights both…

CallNature Editorial · 6 min read
Understanding the Causes of Canker Sores and the Role of SLS

Dental Health

Understanding the Causes of Canker Sores and the Role of SLS

Canker sores are caused by a combination of stress, nutritional deficiencies, and potential irritants like sod…

CallNature Editorial · 7 min read
The Best Anti-Aging Serum: What Actually Works

Skin / Anti-aging

The Best Anti-Aging Serum: What Actually Works

The Secret to the Best Anti Aging Serum: Unlocking Youthful Skin The Science of Aging and the Quest for Youthf…

CallNature Editorial · 5 min read