Paula's Choice 1% Retinol Booster vs TULA Dark Spot Serum

Paula's Choice

TULA

A serum built around Retinoid and Ceramide, for barrier repair and hydration.

A serum built around Niacinamide and Panthenol, for hydration and barrier repair.

Serum

27 ingredients

42 ingredients

Brand price

USD 55.00 · checked 8 Oct 2026 · brand's site

Brand price

USD 44.00 · checked 8 Oct 2026 · brand's site

No retailer listed yet

At a Glance

They come out differently on Silicone-free, Pore-clogger-free and Oil-free; those rows are shaded. Tap any answer to see why.

Ceramide1
Skin-identical lipids that hold the barrier together.
Ceramide NP
Colloidal oatmeal1
Finely milled oat — an FDA-recognised skin protectant.
Avena Sativa Kernel Extract
Polysorbates (Tween emulsifiers)1
Polysorbate (Tween) emulsifiers.
Polysorbate 20
Retinoid1
Vitamin A derivatives that speed cell turnover.
Retinol

Panthenol (provitamin B5)1
Provitamin B5 — a humectant and soother.
Panthenol
Polysorbates (Tween emulsifiers)1
Polysorbate (Tween) emulsifiers.
Polysorbate 20
AHA1
Alpha hydroxy acids — water-soluble chemical exfoliants.
Lactic Acid
Lactic acid1
An AHA that also acts as a humectant.
Lactic Acid

Hydrating5
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Ceramide NP, Dipotassium Glycyrrhizate, Glycerin, Glyceryl Ascorbate
Barrier Repair6
Strengthens and restores the skin's natural barrier.
Allantoin, Avena Sativa Kernel Extract, Caprylyl Glycol, Carthamus Tinctorius Seed Oil, Ceramide NP, Glycerin
Reduces Irritation3
Eases discomfort and supports skin resilience.
Allantoin, Avena Sativa Kernel Extract, Dipotassium Glycyrrhizate
Redness Reducing1
Soothes visible redness and calms irritation.
Allantoin

Hydrating8
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Dimethicone, Dimethiconol, Glycerin, Glyceryl Acrylate/Acrylic Acid Copolymer, Lactic Acid, Panthenol, Propanediol
Barrier Repair8
Strengthens and restores the skin's natural barrier.
Allantoin, Caprylyl Glycol, Dimethicone, Dimethiconol, Glycerin, Lecithin, Niacinamide, Panthenol
Reduces Irritation2
Eases discomfort and supports skin resilience.
Allantoin, Panthenol
Redness Reducing2
Soothes visible redness and calms irritation.
Allantoin, Niacinamide

May Trigger Acne1
Can clog pores or trigger breakouts.
Laureth-4
May Worsen Seborrheic Dermatitis5
May feed the yeast involved in seborrheic dermatitis.
Laureth-4, Lecithin, Lysolecithin, Polysorbate 20, Undecylenoyl Phenylalanine
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Laureth-4
May Worsen Irritation1
May cause stinging, redness or sensitivity.
Laureth-4

Show highlights for:

Water
Skin Conditioning
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Carthamus Tinctorius Seed Oil
Skin Conditioning
0 / 0
- Plant oils and butters (coconut, olive, shea)
- Plant or mineral oil
- Barrier Repair
- May Worsen Oily Skin
- May Worsen Seborrheic Dermatitis
Polyglyceryl-10 Caprylate/Caprate
Cleansing
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
Pyrus Malus Fruit Extract
Skin Conditioning
Polysorbate 20 (in both products)
Cleansing
0 / 0
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Polysorbates (Tween emulsifiers)
- May Worsen Seborrheic Dermatitis
Retinol
Skin Conditioning
- Retinoid
- Acne Fighting
- Anti-Aging
- Dark Spots
- Firming
- Oil Control
- Pore Refining
- Smoothing
Glycyrrhiza Glabra
Ceramide NP
Skin Conditioning
- Ceramide
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Barrier Repair
- Hydrating
- May Worsen Seborrheic Dermatitis

Aqua
Solvent
0 / —
Niacinamide
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Dimethicone
Emollient
1 / 0
- Silicones
- Barrier Repair
- Hydrating
- Smoothing
Corn Starch Modified
Skin Conditioning
0-1 / —
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
Lactococcus Ferment Lysate
Skin Conditioning
Panthenol
Skin Conditioning
0 / 0
- Panthenol (provitamin B5)
- Barrier Repair
- Hydrating
- Reduces Irritation
Undecylenoyl Phenylalanine
Skin Conditioning
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Polysorbate 20 (in both products)
Cleansing
0 / 0
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Polysorbates (Tween emulsifiers)
- May Worsen Seborrheic Dermatitis

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →
Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →
Polysorbate 20
Cleansing, Emulsifying
Polysorbate 20 isn't fungal acne safe.
Learn more about Polysorbate 20 →
Allantoin
Skin Conditioning, Skin Protecting, Soothing
Urea, (2,5-dioxo-4-imidazolidinyl)-
Learn more about Allantoin →
Caprylyl Glycol
Deodorant, Hair Conditioning, Skin Conditioning, Emollient
Caprylyl Glycol is the diol that conforms to the formula
Learn more about Caprylyl Glycol →
Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →
Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →