Retinol vs Retinal vs Bakuchiol — A Complete Comparison of Anti-Aging Ingredients by Strength

Summary: Retinol, retinal, and bakuchiol are all used for elasticity and texture care, but they work on skin differently and vary in how much irritation they cause.…

Key Takeaway

From gentlest to strongest, the order is bakuchiol → retinol → retinal. If you're just starting out, use a low-concentration retinol 2–3 times a week at night; if retinol feels like too much, try bakuchiol; and once you're well adjusted to retinol, consider retinal.

Retinol takes two conversion steps to reach active vitamin A, while retinal takes one, making retinal the stronger of the two
Bakuchiol isn't a retinoid — it's plant-derived, and in a 12-week study compared with retinol, it caused fewer reports of irritation
Morning sunscreen is a must while using retinol or retinal

Retinol, retinal, and bakuchiol are all used for elasticity and texture care, but they work on skin differently and vary in how much irritation they cause. SKINROUTE ranks the three by strength and breaks down how to pick the right starting point for your skin.

How Vitamin A Ingredients Work

What actually acts on skin is active vitamin A. Retinol and retinal, as used in cosmetics, don't work as-is — each goes through conversion steps inside skin before becoming this active form. The more steps an ingredient has to go through, the gentler its effect, but also the slower; fewer steps means stronger action, but also easier irritation.

The Vitamin A Conversion Sequence in Skin

Retinyl ester — One step before retinol, the gentlest of the vitamin A family
Retinol — An entry-level option — two more steps to reach the active form
Retinal — Only one step away, stronger than retinol
Active vitamin A — The form that actually acts on skin

A review on retinoids and photoaging concludes that this ingredient family helps manage signs of aging caused by sun exposure. What retinol does for skin is covered in detail in The Beginner's Guide to Retinol

How Each Ingredient Compares

The Three Ingredients at a Glance

Bakuchiol: Plant-derived, an alternative when retinol feels like too much
Retinol: Two steps to active form, a relatively gentle entry point
Retinal: One step, stronger — best after adjusting to retinol

Retinol

The most widely used vitamin A derivative in cosmetics. It strikes a good balance between effect and gentleness, making it a solid choice for starting out with anti-aging care. The American Academy of Dermatology (AAD) advises applying retinol every other day at first to let skin adjust.

Retinal (Retinaldehyde)

One step closer to the active form than retinol, so it tends to act more strongly. That also means dryness and stinging come more easily, so it's best considered only after you've used retinol comfortably for several weeks and are ready to step up.

Bakuchiol

A plant-derived ingredient that isn't part of the vitamin A family. A 12-week study comparing bakuchiol and retinol found similar improvement in signs of photoaging with both, while the retinol group reported more flaking and stinging. If you've tried retinol and irritation keeps showing up, this is worth considering as an alternative.

Side-by-Side Comparison

Bakuchiol vs. Retinol vs. Retinal

	Bakuchiol	Retinol	Retinal
Ingredient family	Plant-derived (not a retinoid)	Vitamin A derivative	Vitamin A derivative
Steps to active form	N/A	Two	One
Strength	Gentler	Moderate	Stronger than retinol
Early irritation	Less common	Can occur	More common than retinol
When to apply	Follow product instructions	Night only	Night only
Good fit for	When retinol feels like too much	Starting out	After you're well adjusted to retinol

Where Should You Start?

If you're new to this

Start with a low-concentration retinol, 0.1% or under, 2–3 times a week, at night only. Sandwiching it between two layers of moisturizer — moisturizer, then retinol, then moisturizer again — helps cut down on early irritation. The full method is laid out in The Retinol Sandwich Method. If your skin is sensitive and retinol feels like too much, starting with bakuchiol is fine too.

If you're already adjusted to retinol

If you've used retinol comfortably for several weeks with no redness or stinging and want to step up, retinal is worth considering. Even then, start by cutting back frequency again to 2–3 times a week. For choosing a concentration by age and concern, see The Retinol Concentration Guide by Age and Concern

If you feel you need something stronger

Rather than pushing the strength up on your own, talk to a dermatologist if you feel you need a stronger retinoid product.

Shared Precautions for All Three

Retinol and retinal break down easily in light and can make skin more sensitive to the sun while you're using them, so apply them at night only and follow with a thorough sunscreen application the next morning. Even with bakuchiol, daily sunscreen is still the foundation of anti-aging care. The AAD advises introducing anti-aging products one at a time, using them consistently, and stopping if irritation shows up.

Vitamin A Ingredients and Bakuchiol — Do This, Avoid That

✓ Do

Apply retinol and retinal at night only
Sunscreen the next morning
Introduce new ingredients one at a time
Sandwich them with moisturizer

✕ Avoid

Layering AHA, BHA, or high-strength vitamin C the same night
Jumping to retinal before adjusting to retinol
Pushing through stinging instead of stopping
Starting several ingredients all at once

If you're pregnant, planning to become pregnant, or breastfeeding, talk to a doctor before using a retinoid product like retinol or retinal. It's also safer to talk to a doctor before introducing bakuchiol.

Frequently Asked Questions

Is retinal always better than retinol?

Not necessarily. Retinal is stronger, but it's also more prone to causing irritation. If you're new to this, start with retinol, and consider retinal only once you're well adjusted to it.

Is bakuchiol as effective as retinol?

In a 12-week comparison study, both showed similar improvement in signs of photoaging, with the retinol group reporting more flaking and stinging. Since research is still limited, it's best viewed as an alternative to consider when retinol feels like too much.

Can I use bakuchiol and retinol together?

Some products combine both, but layering them from the start makes it hard to tell which one caused any irritation. Introduce one at a time, check how your skin responds, then consider combining them.

What should I use during pregnancy?

Retinoids like retinol and retinal should be checked with a doctor before use if you're pregnant or planning to become pregnant. It's safer to check with a doctor before starting bakuchiol too.

Find the Right Ingredient for Your Skin

Which ingredient to start with depends on your skin's sensitivity, your habits, and what you're already using. SKIN100 Precision Skin Analysis uses over 100 survey questions to analyze 8 core factors — lifestyle habits, skincare habits, external environment, and more — to point you toward the right care direction for your skin. Your AI coach guides you through which ingredient to start with and in what order, based on your results.