Vitamin C + Hyaluronic Acid + Retinol Routine: How to Use the 3-Serum Set

Vitamin C, Hyaluronic Acid and Retinol can all belong in one skincare routine — but they do not have to be mixed into one bottle or applied at the same time. Ammuri’s 3-Serum Rejuvenation Set gives you three separate 30ml serums so you can use each ingredient where it makes most sense.

→ Shop the Ammuri 3-Serum Rejuvenation Set

What Is Actually in the Set?

• Hyaluronic Acid Serum 30ml — hydration support for softer, plumper-looking skin.
• Vitamin C Serum 30ml — antioxidant and radiance support for dull or uneven-looking skin.
• Retinol 2.5% Serum 30ml — an evening treatment for the appearance of fine lines, uneven texture and visible signs of ageing.

The advantage of separate bottles is control. You can change frequency, skip a step when skin feels sensitive and avoid unnecessarily stacking every active together.

The Simplest Way to Use the Set

Morning

1. Cleanse and pat skin dry.
2. Vitamin C Serum — apply according to the product directions.
3. Hyaluronic Acid Serum — add this if your skin wants more hydration.
4. Moisturiser if required.
5. Broad-spectrum sun protection as the final daytime step, following the sunscreen label.

Evening

1. Cleanse and allow skin to dry.
2. Retinol 2.5% Serum — introduce gradually if retinol is new to you.
3. Hyaluronic Acid Serum — use as a separate hydration step if your skin remains comfortable and needs it.
4. Moisturiser as needed.

Do You Need to Use All Three Every Day?

No. More products do not automatically mean better results. The set is useful because you can adapt it:

• use Vitamin C on mornings when you want a radiance-focused routine;
• use Retinol 2.5% on selected evenings according to tolerance;
• use Hyaluronic Acid whenever hydration is the priority;
• keep the routine simpler if skin becomes dry or irritated.

Why Keep Vitamin C and Retinol Separate?

Some people can tolerate both ingredient categories within the same overall routine, but there is no need to force them into one application. Separating Vitamin C into the morning and retinol into the evening makes the routine easier to understand and can make it easier to identify which product is causing irritation if your skin becomes uncomfortable.

What Does Hyaluronic Acid Add?

Hyaluronic Acid is a humectant used to support hydration at the skin surface. It gives this set a flexible step that can sit beside either a morning or evening routine without turning the set into a stronger active treatment.

Who Is This Set Best For?

Consider the 3-Serum Rejuvenation Set if you:

• want one purchase that covers hydration, radiance and a retinol-focused evening routine;
• prefer separate bottles instead of an all-in-one formula;
• want the freedom to adjust each step independently;
• are building a first structured anti-ageing routine and want a lower-strength Ammuri retinol option;
• want to avoid buying several overlapping serums without a clear plan.

Who May Prefer Individual Products Instead?

Separate purchases may make more sense if one concern clearly matters more than the others. For example:

• If retinol is your main goal, read the Retinol 2.5% Serum Guide.
• If radiance is your main goal, compare Ammuri’s Vitamin C Serum Guide.
• If you already own a retinol and Vitamin C serum, you may not need another three-product set.

Retinol 2.5%: How to Introduce It

If you are new to retinol, do not assume that nightly use from day one is necessary. Begin gradually, keep the rest of the evening routine simple and increase frequency only if your skin remains comfortable and the bottle directions allow it.

Avoid layering another retinol product over it. If persistent irritation develops, reduce frequency or stop use.

What Not to Layer With the Retinol Step

Especially while you are assessing tolerance, avoid turning the evening into a stack of strong treatments. Be cautious about combining Retinol 2.5% with:

• another retinol or retinoid-focused serum;
• strong exfoliating acids;
• aggressive facial scrubs;
• multiple concentrated brightening products;
• freshly microneedled or otherwise irritated skin.

Can You Use the Set With Peptide or Niacinamide Products?

You can build those ingredients into a broader routine, but there is usually no reason to layer every serum you own at once. A separate morning/evening schedule often makes the routine easier to tolerate and easier to maintain.

Seven Common Mistakes

1. Thinking the set is one combined serum. It contains three separate bottles.
2. Mixing all three bottles together. Use them as individual products.
3. Starting retinol every night immediately. Introduce it gradually if needed.
4. Adding another retinol on top. One retinol-led treatment is enough for that evening.
5. Using every active just because it is available. Skin does not benefit from unnecessary complexity.
6. Ignoring dryness or irritation. Reduce active-product frequency when skin needs recovery.
7. Skipping daytime sun protection. A consistent daytime routine matters when your goals include uneven tone and premature signs of ageing.

Frequently Asked Questions

Are Vitamin C, Hyaluronic Acid and Retinol in one bottle?

No. Ammuri’s set contains three separate 30ml serums.

Should I use Vitamin C and Retinol together?

You do not need to. A simple routine is Vitamin C in the morning and Retinol 2.5% on selected evenings.

Can I use Hyaluronic Acid morning and night?

It can be used as a hydration step according to the bottle directions and your skin’s needs. You do not have to use it simply because it is included in the set.

Is the Retinol 2.5% suitable for beginners?

It is the lower-strength retinol option in this set, but individual tolerance varies. Introduce it gradually and avoid adding several strong actives at the same time.

Do I need a separate moisturiser?

Hyaluronic Acid supports hydration but is not necessarily a replacement for moisturiser. Use a moisturiser if your skin benefits from one.

The Bottom Line

The value of this set is not “three actives in one serum.” It is three separate products that let you build a clearer morning-and-evening routine. Vitamin C supports radiance, Hyaluronic Acid supports hydration and Retinol 2.5% provides the evening anti-ageing treatment step.

Cosmetic results and tolerance vary. Follow the directions supplied with each individual serum and discontinue use if persistent irritation occurs.